Task1 The Media Used…………………………………………………….2 The Connectors Used…………………………..…….2 The Cost of cabling and installation…………………2 Fig. 1…………………………………………………….3 Recommandation……………………………………….4 Task2 Data Transfer rate and/or Memory Storage space..5 Hardware options……………………………………..5 Cost of Purchase and installation…………………...5 Fig .2 ………………………………………………….6 Recommandation……………………………………..7 Task3 Security Issues………………………………………8 Protection from viruses‚ Trojan horses………….…9 Conclusion…………………………………………
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22/10/2007 11:28 Page 320 CASE EXAMPLE Lenovo computers: East meets West In May 2005‚ the world’s thirteenth largest personal computer company‚ Lenovo‚ took over the world’s third largest personal computer business‚ IBM’s PC division. Lenovo‚ at that time based wholly in China‚ was paying $1.75bn (A1.4bn‚ £1bn) to control a business that operated all over the world and had effectively invented the personal computer industry back in 1981. Michael Dell‚ the creator of the world’s
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Computer software can be divided into two main categories: application software and system software. Application Software: Application Software includes programs that do real work for user. Example: Payroll systems‚ Inventory Control‚ Manage student database‚ Word Processor‚ Spreadsheet and Database Management System etc. Application software consists of the programs for performing tasks particular to the machine’s utilization. Examples of application software include spreadsheets‚ database systems
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Running head: Computers COMPUTERS BY Eunice 10/20/13 Introduction An English writer named Richard Braithwaite first recorded the word “computer” in his book entitled “The young man’s gleanings”. Computers are now the most common electronic device among individuals and businesses in the world. Computers serve as a means of solving sophisticated problems easily and quickly. Now the forensic science department also use computers in their investigations. And banks also stopped counting money
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Roettger Computer Fundamentals for Technology February 23‚ 2014 The History of Personal Computers (Zimmermann) The personal computer in the beginning was not intended to be used for personal entertainment or for email‚ but was intended to be used for solving a number-crunching crisis. By 1880‚ the United States had grown so much that it took several years to calculate the United States census results. They were looking for a faster and more efficient way to get the results. The first computers were
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IB Computer Science Dossier Grading Rubric – Abridged (See the IB document: d_5_comsc_tsm_0505_1_e.pdf for the full version) Gradesheet Snapshot: Criterion A1: Analyzing the problem Total = 12 pts. (See pages 67- 90 in the IB document: d_5_comsc_tsm_0505_1_e.pdf) The documentation should be completed first and contain a thorough discussion of the problem that is being solved. This should concentrate on the problem and the goals that are being set‚ not on the method of solution. A
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INTRODUCTION Computer networking is the engineering discipline concerned with the communication between computer systems or devices. A computer network is any set of computers or devices connected to each other with the ability to exchange data. It is sometimes considered a sub-discipline of telecommunications‚ computer science‚ information technology and computer engineering since it relies heavily upon the theoretical and practical application of these scientific and engineering disciplines
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today’s society‚ almost every household has at least one computer if not more. In fact‚ it is not strange to walk in to a house that has two or three computer. Computers are all the same in one way or another‚ although they do vary from sizes to capabilities. Laptop computer and Desktop Computer are two computers that are similar but different. A Laptop computer is considered top of the by almost anyone who knows about them. A laptop computer can cost a person any where from eight hundred dollars
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Motherboard The main board of a computer‚ usually containing the circuitry for the central processing unit‚ keyboard and monitor. PCI (Peripheral component interconnect) slot- an interconnection system between a microprocessor and attached devices in which expansion slots are spaced closely for high speed operation. 1-6 slots AGP (Accelerated graphic port)(Advanced graphic port) – an expansion slot found on many motherboards specifically designed for video graphic card. Central processing unit
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IMPORTANCE OF COMPUTER Today computer is playing very important role in every field of life. Many activities in daily life can be performed very easily and quickly. A lot of time is saved to solve a particular problem. Some important fields where computer are widely used are as under 1- Business Today‚ in global markets‚ it is impossible to run the business without the use of computer technology. Many business activities are performed very quickly and efficiently by using computers. Many business
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