Advantages And Disadvantages Of Networked Medium Information Technology Essay

Advantages And Disadvantages Of Networked Medium Information Technology Essay Bus networks use a common backbone to connect all devices. A single cable, the backbone functions as a shared communication medium that devices attach or tap into with an interface connector. A device wanting to communicate with another device on the network sends a broadcast message onto the wire that all other devices see, but only the intended recipient actually accepts and processes the message. Ring topology: In a ring network, every device has exactly two neighbors for communication purposes. All messages travel through a ring in the same direction. A failure in any cable or device breaks the loop and can take down the entire network. Star topology: Many home networks use the star topology. A star network features a central connection point called a hub that may be a  hub,  switch  or router. Devices typically connect to the hub with Unshielded Twisted Pair (UTP) Ethernet. Compared to the bus topology, a star network generally requires more cable, but a failure in any star network cable will only take down one computers network access and not the entire LAN. b) Advantages and disadvantages of each medium. Network medium is the physical channel that used for transmission in the network. The types of the medium are: Wire Fiber air Wire: UTP cable is a medium that is composed of pairs of wires.  UTP cable is used in a variety of networks. Each of the eight individual copper wires in UTP cable is covered by an insulating material. In addition, the wires in each pair are twisted around each other. Fiber: Long distance signal transmission. Large Bandwidth, Light Weight, and Small Diameter Long Lengths Easy Installation and Upgrades Non-Conductivity Security Designed for Future Applications Needs Air: Mobility. Elimination of unsightly cables. c) Recommendation for topology and medium to use: Topology: Figure 1.1 : Star topology We select the star topology for this in-house network. Because the star topology is most popular topology for in-house network (LAN). Also we can be benefit by using the star topology in a LAN. Benefits: Information can be easily shared allowing for quick and informed decisions to be made, saving time and money. A more productive and competitive environment is achieved through greater teamwork within the organization. Network-based communication such as email is considerably cheaper than using the phone or fax and sharing resources such as printers gives more efficient use of equipment at lower costs. Standard versions of procedures and directories can be made accessible to everyone. IT administration can be centralised. Data can be backed-up from a single point on a scheduled basis ensuring consistency. Medium: Figure1.2: WI-FI network We select the WI-FI for this in-house network. Because Mobility. Elimination of unsightly cables. Problem Identification: Task 2 10 Marks Investigate the Internet connection requirements for the Fire Department. a) Describe the Internet services that may be required. b) Explain the connection speeds that are suitable for these requirements. c) Find examples of Internet Service Providers (ISPs) that can meet these requirements in your country. d) Make a recommendation to use one ISP based upon the services offered and price charged. Solution of Task 2 a) Hardware and Software Requirements: Computer with either: Windows 95, Windows 98, Windows ME, Windows XP Professional, Windows NT 4.0, Windows 2000, or Windows Server 2003 installed. A CD-ROM drive for the installation compact disc. Adequate disk space for the database, business objects, and Web pages 10 MB free space minimum. Transmission Control Protocol/Internet Protocol installed. A network adapter card and local area network connection. An Internet connection and Internet Protocol address from your Internet Service Provider. Network Adapter board. Figure 2.1: Intranet network system b) Connection speeds requirements: 512 for upload is standard connection for sound only, the much required is 138 kbps, means that 512 138 = 374 kbps free for chat or image. Usually, download > upload is possible for internet provider to have busy server and in this situation you will be connected from phone standard line, with smaller speed. So in this system it demands 512 kbps connection speed. c) Examples of Internet Service Providers in our country: Brack net. Zip. Qubee. Grameen phone Internet. Bangla lion. Recommendation to use the ISP : In this system we select Qubee as out ISP because, Qubee has the solution which is fast and reliable. Very much cost effective. More then it is driven by WI-MAX technology.   And obviously it is portable. There package, Monthly Usage Allowance Speed 5GB 10GB Sky 256 Kbps BDT 850 BDT 950 BDT 1,250 512 Kbps BDT 1,250 BDT 1,450 BDT 2,250 1Mbps BDT 2,250 BDT 2,750 BDT 5,250 and Qubee Modem Tk. 3,000 Modem Installation Free  Ã‚   First months fee payable at the time of signup Problem Identification: Task 3 30 Marks Investigate the methods the Fire Department could implement for two-way voice communications. As a minimum include the following information: a) How each method works (frequencies, full/half duplex, etc). b) Details of the legal requirements for operating the system in your country. c) Costs of setting up and operating the system, including licensing costs, equipment costs, etc. d) Limitations of each method. Provide a recommendation for how voice communications should be set up and run including reasons for this recommendation. Solution of Task 3 Method of full/half duplex system: Half-Duplex: A  half-duplex  system provides for communication in both directions, but only one direction at a time. Typically, once a party begins receiving a signal, it must wait for the transmitter to stop transmitting, before replying. An example of a half-duplex system is a two-party system such as a walkie-talkie style two-way radio, wherein one must use Over or another previously designated command to indicate the end of transmission, and ensure that only one party transmits at a time, because both parties transmit on the same frequency. A good analogy for a half-duplex system would be a one lane road with traffic controllers at each end. Traffic can flow in both directions, but only one direction at a time with this being regulated by the traffic controllers. Full-Duplex: A  full-duplex  system allows communication in both directions, and unlike half-duplex, allows this to happen simultaneously. Land-line telephone networks are full-duplex since they allow both callers to speak and be heard at the same time. A good analogy for a  full-duplex  system would be a two-lane road with one lane for each direction. Examples:  Telephone,  Mobile Phone, etc. Two way radios can be, for instance, designed as full-duplex systems, which transmit on one frequency and receive on a different frequency. This is also called frequency-division duplex. Frequency-division-duplex systems can be extended to farther distances using pairs of simple repeater stations, owing to the fact that the communications transmitted on any one frequency always travel in the same direction. Full-duplex Ethernet connections work by making simultaneous use of all four physical pairs of twisted cable, where two pairs are used for receiving packets and two pairs are used for sending packets, to a directly connected device. This effectively makes the cable itself a collision-free environment and theoretically doubles the maximum bandwidth that can be supported by the connection. There are several benefits to using full duplex over half duplex. First, time is not wasted since no frames need to be retransmitted as there are no collisions. Secondly, full bandwidth is available in both directions because send and receive functions are separated. Third, stations/node do not have to wait until other operations complete their transmission as there is only one transmitter for each twisted pair. Legal requirements for operating the system in our country: 1.1 As per the national frequency allocation plan 2005 (nfap 2005), spectrum from the ism band in 2.4000-2.4835 ghz and 5.725-5.875 ghz is allocated for wi-fi use. 1.2.  Ã‚  Ã‚   Access to the spectrum will be on shared basis. There will be no exclusive assignment to any individual or organizations, whether for private, public or commercial use. 1.3.  Ã‚  Ã‚   Any government or private organization/educational institution/corporate body can establish and use wi-fi network on non commercial/non-profit basis. 1.4.  Ã‚  Ã‚   Household/private users are not required to take any permission from the commission or pay any levy/charge for using wi-fi in the given ism band. 1.5.  Ã‚  Ã‚   Both indoor and outdoor wi-fi is permitted in the given spectrum of ism band. However, the maximum power output for the wi-fi equipment is limited to 1 watt. 1.6.  Ã‚  Ã‚   All commercial wi-fi hotspot operators/service providers shall possess an isp or equivalent license (e.g., bwa license). Existing operators having such license from the commission will be eligible to establish wi-fi network for providing last mile solution. 1.7.  Ã‚  Ã‚   Operators/service providers will submit a detailed list of wi-fi outdoor hotspots to the commission. There will be levy/charges applicable annually for all hotspots. the levy/charge shall be charged as per the rate list published by the commission. 1.8.  Ã‚  Ã‚   All service providers will obtain permission in the form of no objection certificate (noc) from the commission for importation, deployment, use and providing any service with wi-fi equipment. Guideline for application and application form is available at http://www.btrc.gov.bd. Existing ism band operators who wish to adapt their present wi-fi equipment for the same purpose may also be provided permission from the commission on case by case basis. 1.9.  Ã‚  Ã‚   All vendors in possession of dealer possession and radio communication equipment vendor license issued by the commission are eligible to apply for noc for importation and marketing of wi-fi equipment in Bangladesh. 1.10. The commission reserves the right to cancel the permission if any complication arises anytime. c) Costs of setting up and operating the system, including licensing costs, equipment costs: The cost of operating the system: The cost of operating the system Purpose Cost 01. 1pr cross connect wire wh/red red/white 1m feet 3000/= 02. Programming cable for air-phone 1500/= 03. IP network station port 35000/= 04. Controller card f/60 units non scrolling 25000/= 05. Pc-console-software 50000/= 06. Access control keypad f/jb-dv 12000/= 07. Video monitor 15000/= 08. Human (per/month) 5000/= 12. Total 14,6,500/= Table-3.1The cost of operating the system The cost of equipments: The cost of equipments equipments Price 01. Handset spare part f/ie1gd 1500/= 02. Complete handset f/men-na 3000/= 03. Pc-380 select switch pc f/ap-m 1500/= 04. Ja av modulator 12000/= 05. Color mem vandal set 50000/= 06. Access control keypad f/jb-dv 12000/= 07. Door station adaptor f/ 1 door 5000/= 08. C.o. audible ringer 5000/= 09. Calling switch 5000/= 10. Single line auto phone dialer 5000/= 11. Power adapter 1000/= 12. Total 10,1,000/= Table-3.2 The cost of equipments Limitations of each method: During the time when one wave passes through another we say that the waves  interfere. It is really not correct to say that the waves collide or hit, although this is often how such an interaction is termed. When the  crest  of one wave passes through, or is  super positioned  upon, the  crest  of another wave, we say that the waves  constructively interfere. Constructive interference also occurs when the  trough  of one wave is super positioned upon the  trough  of another wave. During any wave interference the shape of the medium is determined by the sum of the separate amplitudes of each wave. We often say that when waves interfere, amplitudes add. Using the arrow buttons step through the above animation to see how the amplitudes add during constructive interference. Notice that in this animation the crest of the red wave constructively interferes with the crest of the blue wave. Recommendation for voice communications set up: Wireless Fidelity, better known as Wi-Fi, is a term used to describe the underlying technology of wireless local area networks based on the Institute of Electrical and Electronics Engineers 802.11 standards. Initially intended to connect mobile computing devices in local area networks, Wi-Fi applications have grown to include various data, voice, and video services such as Internet access and Voice over Internet Protocol. Wi-Fi technology platform is based on single-carrier direct-sequence spread spectrum and multi-carrier Orthogonal Frequency Division Multiplexing radio technologies to transmit and receive signals. Wi-Fi is more commonly used in point-to-multipoint environments to allow extended network connectivity of multiple portable devices such as laptops, telephones, or PDAs. Wi-Fi also allows connectivity in point-to-point mode, which enables devices to directly connect and communicate to each other. A region covered by one or more APs is considered a hotspot. Home networks commonly deploy one AP that is typically connected directly to an Internet service provider , whereas larger networks may require at least several APs positioned in strategic locations to provide flexibility of service to a large number of users. Because of range constraints, Wi-Fi networks are used in localized regions. Figure 3.1: Common Wi-Fi Network Wi-Fi can be used in conjunction with other emerging wireless technologies, such as Worldwide Interoperability for Microwave Access (WiMAX) and Wireless Mesh Networking, to extend the coverage area of terrestrial networks and to provide high-speed mobile data and telecommunications services. For example, WiMAX can be used as a backhaul technology to connect multiple Wi-Fi hotspots with each other and to other parts of the Internet. WiMAX describes the technology behind wireless networks based on the IEEE 802.16 standards. Wi-Fi technology has been highly utilized for many applications such as voice communications, video communications, and various data services. This section describes how Wi-Fi technology supports these applications. The expansion of telecommunications has spawned great need for new technologies to provide sought-after voice communication services. Internet telephony, better known as VoIP, is a technology that allows for transport of voice traffic using an Internet Protocol (IP) network infrastructure. VoIP and Internet telephony have come a long way since their inception, and with the impressive development of Wi-Fi technologies, the popularity of voice communications over wireless will continue to increase. Common VoIP networks consist of the hardware and software enabling the end users to leverage the Internet as the transmission medium for telephone calls. IEEE 802.11 Voice over Wi-Fi is the wireless version of this technology that is designed to work with wireless devices. VoWi-Fi solutions provide mobile users during critical missions with the ability to roam wirelessly. Typically, a VoWi-Fi user device will connect to an AP to authenticate to a designated VoIP network. Once associated to an AP and authenticated to the appropriate network, a user will have the capability of mobile voice communications across enterprise networks, residential broadband networks, or even public/private hotspots. VoWi-Fi products are becoming more advanced and readily available to support various challenging short- and long-term voice service needs, such as in commercial, healthcare, private, and incident site environments. Given the steadily increasing demand for voice services and mobility, wired and wireless VoIP deployments continue to grow and eventually will become more prevalent than traditional circuit switching voice systems. One advantage VoWi-Fi provides over traditional circuit-based voice communications is an ability to easily accommodate user growth in many different operating environments, through software configuration. Typically, physical attributes of circuit-switched voice systems can limit the flexibility of real-time configuration. Deploying a wireless VoIP system can provide significant savings in cost and deployment time when compared with other wireless voice communication solutions. Problem Identification: Task 4 30 Marks Investigate telephone systems available in your country for single-site organisations like the Fire Department. Pay particular attention to: a) The main equipment that would be installed. b) The features available with each system. c) The cost of equipment and installation. d) The cost of operating the system. e) Provide a recommendation for which system to purchase including reasons for this recommendation. Solution of Task 4 a) The main equipment that would be installed: The following equipments are generally installed through telephone systems: 2.4 GHz digital cordless voice transmission, the latest cordless technology Up to 10 cordless handsets can share a single base station Up to 20 voice mailboxes on a single system Speech recognition enables you to control your system with your voice Text to speech synthesis technology enables your system to read your e-mail to you over the phone Smart call forwarding; have your calls forwarded to you when youre on the road Connects to your Windows computer to give you advanced unified messaging and computer telephony features b) Features available with each system: The following features are available with the installed telephone systems: Call Transfer Direct Inward Dialing and Direct Outward Dialing Hunting Line Restriction Station Line Identification Station-to-Station Dialing Centrex with Voice Mail Automatic Callback Call Forwarding-Busy Line Call Forwarding-Dont Answer Call Screen Call Trace Call Waiting-Incoming Directed Call Pickup Direct Inward Dial to Direct Outward Dial Transfer Call Transfer: Transfers calls, even cellular calls, to another line either inside or outside your Centrex system. Direct Inward Dialing and Direct Outward Dialing: Allows you to route calls directly or through an attendant. Hunting: Automatically sends an incoming call from a busy line to the next designated line. Line Restriction: Limits phone access on selected lines so that only authorized numbers or regions can be called. Station Line Identification: Provides a detailed record of calls made by each Centrex station including start time, duration, and toll call numbers. Automatic Callback: Allows a station user to be called when a previously busy station becomes idle. Call Forwarding-Busy Line: Automatically reroutes calls to a designated station or your voice mail if your line is busy. Call Forwarding-Dont Answer: Automatically reroute calls to another phone if you havent responded within a preset number of rings. Call Screen: Manages interruptions by having annoying or harassing calls diverted this feature allows up to ten customer-designated numbers to be routed directly to a prerecorded announcement. Call Trace: Allows you to alert the authorities with useful information when harassing or threatening calls are made to your business. Call Waiting-Incoming: Lets you take a second call if you are already on the line. Directed Call Pickup: Lets you answer a fellow employees line (within the call pickup group) without moving from your desk. Direct Inward Dial to Direct Outward Dial Transfer: Allows you to transfer an incoming direct dialed call to another location, either within the Centrex system or to an outside company, residence, car phone, etc.- instead of having the caller hang up and dial the new number. c) The cost of equipment and installation: Figure 4.1 The cost of equipments equipments Price 01. Handset spare part f/ie1gd 1500/= 02. Complete handset f/men-na 3000/= 03. Pc-380 select switch pc f/ap-m 1500/= 04. Ja av modulator 12000/= 05. Color mem vandal set 50000/= 06. Access control keypad f/jb-dv 12000/= 07. Door station adaptor f/ 1 door 5000/= 08. C.o. audible ringer 5000/= 09. Calling switch 5000/= 10. Single line auto phone dialer 5000/= 11. Power adapter 1000/= 12. Total 101000/= Table-4.1 the cost of equipments d) The cost of operating the system: The cost of operating the system Purpose Cost 01. 1pr cross connect wire wh/red red/white 1m feet 3000/= 02. Programming cable for air-phone 1500/= 03. IP network station port 35000/= 04. Controller card f/60 units non scrolling 25000/= 05. Pc-console-software 50000/= 06. Access control keypad f/jb-dv 12000/= 07. Video monitor 15000/= 08. Human (per/month) 5000/= 12. Total 146500/= Table-4.2The cost of operating the system Problem Identification: Task 5 10 Marks The Fire Department needs to remain operational in the event of a serious incident such as a major terrorist attack or war. Explain the measures you would put in place that would allow the Fire Department to operate in the event of Newtown having no electrical power and fixed telephone lines being broken. Solution of Task 5 Disaster recovery plans are complex, and can ultimately take two years or more to complete. While this can be taken in one way as from a disaster recovery consultant, it also comes from experience. To make a plan for the fire department network to deal with major disasters and also to deal with the short term failure of the system fallowing topics are included 1. Reason for Planning protect human life; recover critical operations; protect competitive position; preserve customer confidence and good will; and protect against litigation. 2. Recognition initial reaction procedures to a disaster report; notification procedures for police, fire, medical; and notification procedures for management. 3. Reaction mobilizing the EMT (executive management team); filing of initial damage assessment reports to the EMT; assisting EMT in preparation of statements; and opening a critical events log for audit purposes. 4. Recovery modified signing authority for equipment purchases; procedures for getting cash; procedures for maintaining physical security; procedures for arranging security at the damaged site; procedures for finding and getting to the recovery center (maps!); and procedures for arranging security at the recovery center. 5. Restoration coordination of restoration of the original site; restoration of electronic equipment; reloading of software; restoration of power, UPS, common building systems; replacement of fire suppression systems; rewiring of the building; restoring the LAN; and restoring the WAN connections. 6. Return to Normal testing procedures for new hardware and software; what constitutes a successful test (before recommitting production); training operations personnel; training employees; scheduling migration back to original site; and coordinating return to original site. 7. Rest and Relax schedule compensatory time off; and make visits to employees in rehab from stress. 8. Re-evaluate and Re-Document review your critical events log; evaluate vendor performance; recognize extraordinary achievements; preparing final review and activity report; and Aid in liability assessments. Problem Identification: Task 6 10 Marks Create a comprehensive, professional report describing your network recommendations. This should include the details of Tasks 1 5, have estimates of cost throughout and have an executive summary at the start giving the key points. Solution of Task 6 In this task I have Investigate the company telephone system requires a central switchboard for the whole building plus direct dialing into each individual member of the company. Typical modern telephone functions such as call waiting, conference calls, etc will be required. Investigate the in-house network (LAN) topology .In this network system we must select a topology and a medium thus we connect our network stations. Also we must provide a recommendation about the topology and media. Possible network topologies for each branch are: BUS RING STAR To setup a company intranet we need to consider the requirements for the media and connector in each implementation. This topic outlines the cable and connector specifications used to support network implementations. Network Media: A star may be wired with twisted-pair ,coax or WI-FI. Recommended: Unshielded Twisted Pair (UTP) Type: Category 5 commonly know as CAT-5 A plan for Advertising Agency network to deal with major disasters and also to deal with the short term failure of the system. It is important that the system can be updated after temporary failure and that data is accessible in the event of a major disaster. Problems are going to occur. Hardware is going to fail. Networks are going to crash. The best thing Advertising Agency can do is plan for the inevitable, implement as many disasters avoidance mechanisms possible and be ready to react quickly when necessary. Some key points include: Implementation physical data security Protect critical systems Conclusion: Completing this work I have a good idea and experience about researching, creating reports, solving problems, on setup Local Area Network that I was required to complete for my assignment. During the completion of the work, I have to face many problems and I learn how to overcome these problems. I hope in future this assignment will help anyone to improve their study on LAN and to apply it on real life. Bibliography

Solar Power Essay -- Alternative Energy Clean Photovoltaic Cells Panel

Solar Power: An Alternative Energy Source Since first discovered in the 1860s, the concept of storing energy from the sun to use as a source of power has been studied and pursued by many programs. Either using solar collectors or photovoltaic cells, the methods of using solar power are becoming more efficient and cost-effective. Solar technology is currently being used by homes and businesses, but is still too expensive and risky for many residents. Researchers are still making advances to solar technology for it to be a feasible energy source in the future. Solar energy was first started in the 1860s when Auguste Mouchout and William Adams found a way for storing solar radiation into tanks of water. Since then, there have been improvements to the processing of solar energy, which has been split into two categories: agricultural based and electricity based. The agricultural method, otherwise known as thermal solar energy, uses the sunlight to heat liquid and power steam engines. Solar collectors can be used on houses or business buildings to store the energy. Different types of solar collectors are flat-plate collectors, evacuated tube collectors and integral collector storage systems (US Department of Energy, 2007, para. 2). The electrochemical process is more complicated and requires photovoltaic (PV) cells to capture the solar energy and convert it into electricity. PV cells have many uses, including powering batteries or mechanical devices by absorbing the photons and creating a voltage. (Simon, 2007, p. 88) Silicon in the PV conductors absorbs photons, but sometimes impurities are added to create a charge. Phosphorous is added to create negatively charged silicon and boron is added to create positively charged silicon in... ...om the Sun. Retrieved July 31, 2007 from http://www.darvill.clara.net/altenerg/solar.htm National Renewable Energy Laboratory. (2007). Solar Research. Retrieved July 28, 2007 from http://www.nrel.gov/solar/ Nersesian, Roy L. (2007). Energy for the 21st Century. New York: M.E. Sharp. Simon, Christopher A. (2007). Alternative Energy. Lanham, Maryland: Rowman & Littlefield. United Nations Development Programme. (2002). Energy for Sustainable Development. New York: UNDP. U.S. Department of Energy. (2007). Solar Energy Technologies Program. Retrieved July 28, 2007 from http://www1.eere.energy.gov/solar/ Van Wyk, Anita. (2005). Solar Energy Advantages Disadvantages. Retrieved August 1, 2007 from http://ezinearticles.com/?Solar-Energy-Advantages-Disadvantages&id=50178 Wikipedia. (2007). Solar Power. Retrieved July 31, 2007 from http://en.wikipedia.org/wiki/Solar_power Solar Power Essay -- Alternative Energy Clean Photovoltaic Cells Panel Solar Power: An Alternative Energy Source Since first discovered in the 1860s, the concept of storing energy from the sun to use as a source of power has been studied and pursued by many programs. Either using solar collectors or photovoltaic cells, the methods of using solar power are becoming more efficient and cost-effective. Solar technology is currently being used by homes and businesses, but is still too expensive and risky for many residents. Researchers are still making advances to solar technology for it to be a feasible energy source in the future. Solar energy was first started in the 1860s when Auguste Mouchout and William Adams found a way for storing solar radiation into tanks of water. Since then, there have been improvements to the processing of solar energy, which has been split into two categories: agricultural based and electricity based. The agricultural method, otherwise known as thermal solar energy, uses the sunlight to heat liquid and power steam engines. Solar collectors can be used on houses or business buildings to store the energy. Different types of solar collectors are flat-plate collectors, evacuated tube collectors and integral collector storage systems (US Department of Energy, 2007, para. 2). The electrochemical process is more complicated and requires photovoltaic (PV) cells to capture the solar energy and convert it into electricity. PV cells have many uses, including powering batteries or mechanical devices by absorbing the photons and creating a voltage. (Simon, 2007, p. 88) Silicon in the PV conductors absorbs photons, but sometimes impurities are added to create a charge. Phosphorous is added to create negatively charged silicon and boron is added to create positively charged silicon in... ...om the Sun. Retrieved July 31, 2007 from http://www.darvill.clara.net/altenerg/solar.htm National Renewable Energy Laboratory. (2007). Solar Research. Retrieved July 28, 2007 from http://www.nrel.gov/solar/ Nersesian, Roy L. (2007). Energy for the 21st Century. New York: M.E. Sharp. Simon, Christopher A. (2007). Alternative Energy. Lanham, Maryland: Rowman & Littlefield. United Nations Development Programme. (2002). Energy for Sustainable Development. New York: UNDP. U.S. Department of Energy. (2007). Solar Energy Technologies Program. Retrieved July 28, 2007 from http://www1.eere.energy.gov/solar/ Van Wyk, Anita. (2005). Solar Energy Advantages Disadvantages. Retrieved August 1, 2007 from http://ezinearticles.com/?Solar-Energy-Advantages-Disadvantages&id=50178 Wikipedia. (2007). Solar Power. Retrieved July 31, 2007 from http://en.wikipedia.org/wiki/Solar_power

Support Individuals To Live At Home

Outcome11. Outline the anatomy and physiology of the human body in relation to the importance of correct moving and positioning individuals:Our bodies have many muscles and bones, these working together help the human body move. Certain muscles with certain bones will work together to move the part of the body. When a muscle contracts it will pull the bones at the joint in the correct direction that it is designed to move. When mobility is reduced and muscles do not get exercise these muscles will be floppy and will make movement slower and more difficult. When moving people it is important not to over stretch the joint as this can cause pain and may also cause damage the joint. There are nerve fibres throughout the body and these send impulses to the muscles and this make the muscle contract or relax. Poor moving and handling techniques can damage these nerve fibres.2. Describe the impact of specific conditions on the correct movement and positioning of an individual: There are many conditions that can impact on movement and positioning of people. People with arthritis normally have stiff painful joints and are limited movement in certain areas. When moving or positioning a person it is important to take care doing this so there is reduced pain and discomfort. Some people may suffer from cerebral palsy, as a result of this, some of their muscles may be contracted or joints will be causing a fixed rigid limb. Anyone who is looking after someone who has cerebral palsy will need to ensure they use effective communication and be careful whilst moving and handling them.Outcome 21. Describe how legislation and agreed ways of working afeect working practicies related to moving and positioning individuals:Every time a care worker moves or supports the weight of a service user they are manually handling that person.Unsafe moving and handling techniques can result in injury to either the care worker or the person they are assisting  to move.To reduce the risk of injur y to the care workers and the people being supported legislations are put in place to protect people.The health and safety at work act 1974 makes it a legal requirement for employers to ensure that the health and safety and welfare of their employees is maintained and the employees have a duty to take reasonable care of the health,safety and welfare of themselves and others.Also we need to respect the individual and include them in their own care we must also follow our work settings policies and procedures and each individual will have there own care plan (agreed ways of working) which we must adhere to.We also need to make sure that our moving and handling training is up to date as this is also a required legislation and should be renewed on a yearly basis this helps us to make sure that we move and position residents correctly also it allows us to be informed of any new regulations that may be coming into affect and also refreshes us on how to use the equipment correctly ie hoist ,manga,rotunda etc.2. Describe what health and safety factors need to be taken into account when moving and positioning individuals and any equipment used to do this:Before we carry out any activity at work that involves moving and handling we must be trained, to carry out the moves and also to ensure we have sufficient knowledge of our own body to work. Safely moving and handling incidents occur as a result of lack of awareness, slippery floors, lack of preparation, faulty equipment, lack of co-operation from the individual, poorly trained and ill prepared staff Health and safety measures When I have to move the person then I should be careful and I must explain the person before assist them, what is going to happen and try as much as possible to keep away from lifting altogether, trying rather to roll, to slide or to turn the person.The use of simple and fairly inexpensive aids will eliminate the need lifting or heavy handling. Moving and handling has special rules: I need to make sure that I have enough space to move smoothly and freely. Move any obstructions for space to move, place my feet comfortably apart so that I have a firm base. Always stand as close as possible to the person to be moved, bend at the knees so that I can use the strong leg muscles, do not bend or twist at the waist. Try to maintain the  Ã¢â‚¬ËœS’ shape of My spine to help to reduce the strain on my backOutcome 31. Access up-to-date copies of risk assessment documentation: 2. Carry out preparatory checks using: 3.The individuals care plan 4.The moving and handling risk assessment 5. Describe what action should be taken if the individuals wishes conflict with their plan of care in relation to health and safety and their risk assessment:Outcome 51. Follow the care plan to ensure that individual is positioned: Using the agreed techniques In a way that will avoid causing undue pain or discomfort 6. Monitor the individual througout the activity so that the procedure can be stopped if there is any adverse reaction:Outcome 61. Describe when advice and/or assistance should be sought to move or handle an individual safely:2. Describe what sources of information are available about moving and positioning individuals:

The LIPET Strategy for Integration by Parts

Integration by parts is one of many integration techniques that are used in calculus. This method of integration can be thought of as a way to undo the product rule. One of the difficulties in using this method is determining what function in our integrand should be matched to which part. The LIPET acronym can be used to provide some guidance on how to split up the parts of our integral. Integration by Parts Recall the method of integration by parts. The formula for this method is: ∠« u dv uv - ∠« v du. This formula shows which part of the integrand to set equal to u, and which part to set equal to dv. LIPET is a tool that can help us in this endeavor. The LIPET  Acronym The word â€Å"LIPET† is an acronym, meaning that each letter stands for a word. In this case, the letters represent different types of functions. These identifications are: L Logarithmic functionI Inverse trigonometric functionP Polynomial functionE Exponential functionT Trigonometric function This gives a systematic list of what to try to set equal to u in the integration by parts formula. If there is a logarithmic function, try setting this equal to u, with the rest of the integrand equal to dv. If there are no logarithmic or inverse trig functions, try setting a polynomial equal to u. The examples below help to clarify the use of this acronym. Example 1 Consider ∠« x lnx dx. Since there is a logarithmic function, set this function equal to u ln x. The rest of the integrand is dv x dx. It follows that du dx / x and that v x2/ 2. This conclusion could be found by trial and error. The other option would have been to set u x. Thus du would be very easy to calculate. The problem arises when we look at dv lnx. Integrate this function in order to determine v. Unfortunately, this is a very difficult integral to calculate. Example 2 Consider the integral ∠« x cos x dx. Start with the first two letters in LIPET. There are no logarithmic functions or inverse trigonometric functions. The next letter in LIPET, a P, stands for polynomials. Since the function x is a polynomial, set u x and dv cos x. This is the correct choice to make for integration by parts as du dx and v sin x. The integral becomes: x sin x -  Ã¢Ë† « sin x dx. Obtain the integral through a straightforward integration of sin x. When LIPET  Fails There are some cases where LIPET fails, which requires setting  u equal to a function other than the one prescribed by LIPET. For this reason, this acronym should only be thought of as a way to organize thoughts. The acronym LIPET also provides us with an outline of a strategy to try when using integration by parts. It is not a mathematical theorem or principle that is always the way to work through an integration by parts problem.

The Tempest Power Essay - 1451 Words

The Tempest, often regarded as Shakespeare’s last play, displaces the theme of possession of control and command over other, commonly known as power. Ariel, Caliban and the courtiers from Milan, all demonstrate different levels of control. Prospero, the protagonist of the play, especially displays his ability to cast influence and affect others psychologically. The characters, their relationships and their use of power can be compared to the English government and society of the 17th Century. The play tells a story of Prospero, the Duke of Milan, was overthrown in a power struggle with his brother Antonio and then set adrift upon a raft bound to sink. After surviving the hardship and landing on a deserted island accompanied only by his†¦show more content†¦Prospero runs everything that happens so he can be considered the king of the island. He is in complete control of what occurs on the island because of his supernatural powers. He has the airy spirit of Ariel to w ork for him and carry out his orders, who shows no animosity towards Prospero s ruling. However, Ariel’s obedience doesn’t come without a price. Despite the strict social hierarchy, the nobles who dislike the king can still rebel with the lower class and topple the king. The reason for Ariel’s unwavering loyalty is that Prospero has control over him both physically and mentally. Ariel once askes Prospero to set him free: â€Å"I prithee, Remember I have done thee worthy service, Told thee no lies, made no mistakings, served Without or grudge or grumbling. Thou did promise To bate me a full year (Act 1 Sc. 2, 294-298).† Prospero responds harshly: â€Å"Dost thou forge From what torment I did free thee?,† reminding Ariel who was extricated from the witch Sycorax to be grateful. He further pressures Ariel with a series of questionings, shaming Ariel’s the lack of gratitude and threatening to tie him back to the tree (Act 1 Sc.2, 315-320). Horri fied by the thought of experiencing the same torture, Ariel feels obliged to pay back Prospero’s graciousness, forgetting the fact that he has already served faithfully for one year and nowShow MoreRelatedKnowledge As Power in The Tempest Essay1198 Words   |  5 PagesThis essay deals with the figure of Prospero as master of Shakespeares â€Å"The Tempest†, illustrating his power in all its expressions and explaining how it is based on knowledge. The first paragraph explains the context in which Prosperos power arises through the play and introduces his background and other main characters. In the second paragraph I discuss the relationship between Prospero and Caliban, a creature found in the island and submitted by the protagonist that attempts to civilize himRead MoreEssay on Quest for Power In The Tempest1208 Words   |  5 PagesQuest for Power In The Tempest      Ã‚   I suggest that engraved into humanitys essence is the intense desire for power. William Shakespeares play, The Tempest not only depicts this concept, but breaks it down for the reader; enabling effective analysis of this concept. Through notable characterization, Shakespeare is able to convey key concepts regarding the idea of power versus ambition. Specifically, the role that ambition and the moderation of ones ambition play in the effectiveness of controlRead More The Battle for Political Power in The Tempest Essay examples3273 Words   |  14 Pagescharacter, give him power. -- Abraham Lincoln Shakespeares The Tempest forms a world within itself. Within this world, many topics regarding government, power and colonization are addressed. Shakespeare tackles the discovery of new places and races, the relationship between the colonized and the colonist, old world ideologies on new soil, as well as theories on civilization and government. These aspects at the core reveal a very clear struggle for political power. 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An Investigation Into The Nature And Causes Of The Wealth...

SOCB42- Classical Sociological Theory Professor Daniel Silver TUT0001 TA Katie Stuart Joyce (Fong) Liu 1001717458 Throughout the book An Inquiry into the Nature and Causes of the Wealth of Nations, Adam Smith uses the term â€Å"commercial society† rather than more accustomed words like â€Å"capitalism.† Smith explains what he means by this term, is when the division of labour has been once thoroughly established, it is but a small part of a man’s want which the produce of his own labour can supply. He supplies the far greater part of them by exchanging that surplus part of the produce of his own labour, which is over and above his own consumption, for such parts of the produce of other’s men’s labour as he has occasion for. Every man thus lives by exchanging, or becomes in some measure a merchant, and the society itself grows to be what is properly a commercial society (Smith, 2003, p. 37). He was trying to say is that commercial society is a civilization where everyone is a merchant: a dealer, trader, and seller. Throughout the book, Smith starts having an agreement and disagreement on commercial society, which is a commercial society deforms human nature. However, continuing reading his book, there are more benefits of a commercial society than the drawbacks. A commercial society does not damage human nature, instead improves human nature by acting on one’s self-interest to bring positive benefits to society, connects and aids members of society together through trade andShow MoreRelatedEssay about Karl Marx and a Capitalist Society764 Words   |  4 PagesKarl Marx and a Capitalist Society Through out history money, wealth and capital have dictated a way of life to the masses. Wealth dictated the lives that the rich lived and the lives of the poor that worked for and surrounded them. 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Coffee shops essay free essay sample

This study includes two of the biggest coffee chains within UK. Their analysis regarding segmentation, targeting and positioning strategy is described below. Also there is an approach for their existing adverting, unique selling propositions, media consumption, consumer behaviour and external factors 1. Introduction The brand Costa Coffee is a leading UK high street coffee chain which was founded in 1971 and comprises (Costa, Costa Metro, Costa Express, and Proud to Serve Costa and Costa Drive Thru outlets). It also present a variety of outlet designs to accompany each of its formats, one is ‘Metro’ which suits the younger/urban consumers and the second one ‘Evolution’ which is aimed to more mature customers in provincial locations. Costa provides a wide range of coffee drinks ( such as espresso to Americano to macchiato and mocha) but not only drinks, it provides food items as well such as paninis, sandwiches, wraps, toasts, cakes, snacks, pastries and fresh fruit and yoghurt. (www. costa. co. uk) Starbucks entered the European market in May 1998 through its acquisition of 65 Seattle Coffee Company stores in the UK. The name and their logo come from aquatic terms, it was named after the first mate in Herman Melville’s Moby Dick and their logo is inspired by the sea featuring a twin-tailed siren from Greek mythology. It offers over 30 assortment and single-origin premium arabica coffees, as well as coffe based beverages and coffee such as: fresh-brewed coffee, hot and ices espresso, coffee and non-coffee blended beverages, Vivano smoothies and Tazo teas). It also provides fresh food such as: pastries, sandwiches, salads, oatmeal, yogurt parfaits and fruit cups. (www. starbucks. co. uk) 2. Segmentation, targeting and positioning 2. 1. Starbuckss and Costas segmentation Regarding the packaging, Starbucks products offer FlavorLock technology, which is used to release the carbon dioxide through a one-way valve, without allowing oxygen in. 76% of consumers would like to see on their favourite brand that can stock their promotional products which can stay fresh for several months, which Starbucks is emphasising this approach which is appealing to consumers. Starbucks has a wide range of products such as: Bottle Drinks which can take away wherever you go, Brewed Tea which is made from the world’s most delicious teas and botanicals, Chocolate Beverages which is catalogued as â€Å"Luxurious hot chocolate for the sophisticated palate†, Espresso Beverages which include: lattes, cappuccinos, macchiato, mochas and more, Filter Coffee which is artfully roasted and brewed fresh all day long, every day and Frappuccino Blended Beverages which can help consumers to cool down with one of their icy blended beverages. The majority of the products can be enjoyed in every time of a day, except for coffee which is most likely to drink in the morning. Costa, for example has decided to change the actual packaging for their products, the new packaging has been designed to use fewer resources, saving over 18 tonnes of paper annually, which also creates an appeal for consumers by showing the concern about the environment. Both of the brands are using different methods to satisfy consumer’s needs. Costa also provide a wide range of products, compared with Starbucks which provides products for breakfast and lunch and Costa has products based more on breakfast shows that their target is different. Both have similar products to offer, Costas range of products such as: Coffees which they consider that after 40 years of experience are made from the finest beans and techniques to ensure that every cup makes the grade. Mocha Hot Chocolate, Speciality Drinks, a wide range of tea (Everyday tea, Decaffeinated tea, Earl tea, Long Jing Green Tea, Gingersnap Peach tea) which also shows how Costas tea tailor towards culture needs and preferences (refer to. ), Costa Ice, Food more oriented on breakfast, the brand is providing an easy and quick way to grab a great-tasting coffer from their touch-screen machines which uses fresh milk and fresh Costa beans to make they costumers that will always enjoy a great Costa taste. 2. 2. Starbucks’s and Costa’s targeting Costa outperforms other brands in this market with an influence came from its Whitebread parentage. However, alongside this visibility is satisfaction, which has an influence over the commitment and usage. On the other hand, Starbucks’ brand is affected by perceptions of ethicality, which has an impact on the way that people see the brand. As a result, trust in brand has been eroded. While there are many consumers who see Starbuck’s brand ethical because of its fair trade and environmental credential, people over 35 years old are more likely to think of it as unethical which has an influence on momentum and commitment levels. Costa has launched two new concept stores in central London targeting urban markets but in the same time targeting different segments. The first store is a metropolitan themed store located in Great Portland street which aims to attract a younger crowd, while the other is a refurbished in Farringdon with a ‘fast service’ air which aims to attract business people on the move. The following figure shows that Costa and Starbucks are the most desirable brands on the market, Costa being situated on the first position. The number of people who avoid Starbucks brand is due to the concerns that consumer have, also is contributing to make Starbucks the most divisive within coffee brands. This brand also present a higher avoidance from consumers over 55 years old compared with other brands. Targeting strategy that Starbucks coffee chai has approached is differentiated one. They offer a wide and varied of separate marketing mixes in order to aim different products at segments. For example they offer â€Å"Grab and go† which is targeting young professionals mostly and a wide range of cold drinks having different flavours aimed to teens. Allowing them to offer more products to more than one segment represent a greater satisfaction of needs for separate customer groups at the same time which will make the business to have an increase in their growth. Costa also adopts the same targeting strategy as Starbucks. They offer the service called â€Å"Costa at Home† aiming to target the busy working class who would like to have their favourite brand at home in case that they cannot have a visit at one of their stores. They also provide a fast way to have their brand with â€Å"Costa Express† service aiming consumers that are always on the go, providing fresh milk and fresh Costa beans and one way to prove this is that nine out of ten coffee lovers would recommend â€Å"Costa Express† service to their friends. 2. 3. Starbucks’s and Costa’s positioning. â€Å"Positioning is the act of the designing the company’s offering and image so that they occupy a meaningful and distinctive competitive position in the target customer’s mind. † (Kotler, 2006) Position for Starbucks is situated in a high market in both terms regarding price and quality. Their high quality for all of the products and together with their great service, Starbucks have made strong allowances to ensure that their positioning have a high price justified in the market place which is not making their consumers to be intimidate. Considering Costa’s products which are making their products to be easier available for consumers compared with Starbucks, shows that they have a stronger position. The table below shows a small selection of coffee products prices that are very current in this year and helps us to see the pricing positioning strategy that Costa and Starbucks have. Caffee Nero is also part of this table due to the fact that is situated along those two brands as the leading chains in UK. 3. Starbucks’s and Costa’s existing advertising. Existing Advertising: Starbucks Starbucks Origin Espresso This advert is shown on Starbucks. co. uk, they plan to share great coffee and help their customers to discover new tastes. Throughout this year they will share different Origin Espresso, every type of this coffee will be as a limited edition. They are making their customers to try their new product which considered being â€Å"soft and velvety† which also comes along with the softness of the cocoa and the velvety and sweet taste of the citrus. Vanilla Spice Latte Chai Tea Latte Valentine’s Day Advertising Existing Advertising: Costa Christmas Advertising Costa Ice Costa at Home 4. Starbucks’s and Costa’s USP. Starbucks’s USP Their mission is to inspire and nurture the human spirit: â€Å"one person, one cup and one neighbourhood as a time. † They state that it has and it will always be about quality representing one of the strongest USP of Starbucks brand; The process until the order is served represent an extensive way of preparing it. Another USP that Starbucks provide are a set of technologies and marketing initiatives making a more innovative feel among consumers. Every Monday, Starbucks have free iTunes download session and they have another interesting strategy when ordering costumers name are written on their cups. Costa’s USP Being the only coffee shop in the world that source 100% of their beans from farms certified by the Rainforest Alliance, which means that all the farms that produce their coffee use sustainable practices and are annually audited to ensure they continue to do the same practices. This represents one of Costa’s USP. Another USP of the brand is the Italian heritage, as they say â€Å"The perfect cup† in four â€Å"M† (Miscela: which is a unique blend that they call Mocha Italia, Macinatura: they tend to compare the way to grind the beans with the Italian Ferrari engine Macchina: they use special Italian espresso machines and Manna: the usage of Barista skills that are learnt in their Coffee Academy including extensive intensive training in order to reach excellence. ) 5. Starbucks’s and Costa’s Media Consumption. Starbucks’s media consumption In September 2012 Starbucks launched an online shopping site introducing at the same time its Verismo coffee machine for sale in the UK. They also launched an Android all in July 2012 in order to extend its pay-by-mobile app offering. It consists in using PayPal technology to allow their costumers to pay via their smartphones. They created a campaign that aims to promote the purchase at the beginning of the working week, so they’ve created the Mondays-only promotions such as latte coffees being discounted to 1. 50 pounds before 11am. Also, the have created a campaign, featuring the slogan â€Å"Monday Can be Great†, where some event and inventions were highlighted such as: the first steps on the moon, the launch of Big Ben and the UK’s first cinema and weather forecast. Alongside the campaign, a TV spot was included, along with print, outdoor, online and in-store advertising. Costa’s media consumption In collaboration with Rainforest Alliance, Costa has launched â€Å"Costa for Schools† which involved an online educational pack to help teachers and secondary schools students (aged 11-14) all over UK to gain more knowledge about the coffee trade such as communities and economies in coffee-growing countries. Using social media (Facebook), Costa attempted to increase consumer interaction in January 2013 by lauching â€Å"Costa Snap of the Week† which asks fans to post a picture of their favourite Costa Moments on the online wall. Also, by using Facebook, they launched an app in August 2012 for its Coffee Club members where the app provided costumers direct access to their accounts from within Facebook. When is first launched, Costa gave away 10 million loyalty points on Facebook as part of a promotional drive. In October 2012, Costa launched a major new TV campaign. It was an ad regarding the one-minute ‘Costa Coffee Lovers’ featuring the slogan ‘At Costa we put our heart and soul into everything we do. You can feel it in every cup. ’ The campaign was sustained by print and in-store marketing. They also created a satisfaction for their costumers which were encouraged to make their own version of the song which appeared in the ad and post it on the Costa’s Facebook page. 6. Starbucks’s and Costa’s Consumer Behaviour theory. Decision Making Unit (DMU): The following table shows the factors that are involved in decision making unit applying for both brands. Initiator Adverts, family and friends Influencer Adverts, friends, family and stores in general Financer Parents, person themselves (dependent on the target market) Buyer Parents, person themselves (dependent on the target market) User Target audiences The elements showed above are the same for both brands as they offer quite similar products and services. Decision Making Process (DMP): Compared with DMU, this step is more complicated due to levels of involvements and different target markets. Need recognition/problem awareness Problem recognition starts when taking the decision on what to choose because both brands offer a wide range of products. Also they offer food products. Information Research Consumers showed earlier that they do not prefer a certain brand when it comes to take a decision when choosing a coffee. But information research can vary, if an impulse purchase appears, the consumer is more likely to be brand loyal, and therefore information research will be short. On the other hand, if it is a high involvement, such as consumers who pay attention into their calories the information research will be high. Evaluation of alternatives Evaluation of alternatives can vary and depends on the consumer’s needs and what the brand can offer. If a consumer is looking for a Italian made coffee they will point for Costa. Purchase There is a two way to pay for the products. One way to pay is done in store and the other way can be done from consumers’ smartphones, the second way of payment can be done online as well. Post purchase The last step from this process cannot say that unplanned purchases would be regrettable for consumers and they will be more likely to repeat the purchase. 7. Starbucks’s and Costa’s External Factors. PESTEL Power: For both brands we can use the same factors due to the similar products that they offer to their customers. Political Coffee beans are grown in developing countries. There are discussions regarding work conditions and also political influences which come from tariffs and taxes. Economic Due to the economic recession from 2008 consumers tend to be more cautious with their expenses. Therefore, both brands must take into consideration their prices. Social/cultural People tend to spend more and more money on coffee (UK: 738m pounds). When customers are visiting one of the stores they do not only buy a coffee, they also chose to take a sit and relax. Technological Machines are available for home usage presenting a low price and good quality. Environment Regarding awareness for environment, both coffee brand have to be concerned about their way of how coffee beans are produced, the way they design their supply chain and regarding the way they prepare and sell their products. Legal This factor is related to Political.