Computer is a processing machine which processes raw data to produce meaningful data. It has tremendous change with comparison to calculator. Characteristics of Computers: - Computers have got their importance due to the following characteristics: - 1. Accuracy: - Computer performs every operation with equal and high accuracy. Errors can occur in a computer due to only human mistakes‚ weaknesses and imprecise thinking. 2. Repeatitiveness: - Once the set of instructions are permanently
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| |Unit 02 – Computer Systems |Mr. K.Akilan | |Assignment Title & Number: |Learning Outcomes Covered: |Assessment Criteria Covered: | | |LO1. Understand the function of computer |(1.1‚1.2‚1.3)(2.1‚2.2)‚(3.1‚3.2)‚(4.1‚4.2) |
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Computer Security Student Name University Abstract James works for a bank‚ and he spends most of his attending to bank clients and travelling. He always carries with him a laptop that contains confidential bank information. The Operating System of the laptop was last updated in May 2011. Some of the programs James uses are MS word 2007‚ MS Access and MS Excel. James’ computer is‚ however‚ not well secured. It does not have a firewall or an antivirus. In addition‚ the data in the laptop are
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Computer Crimes Computer crimes are on the rise 1 in 10 Americans experience some form of a malicious attack on their computer system. If you pay attention to the rest of this speech you will understand how a Hackers mind works and how to defend yourself from them. In this speech I will tell you why and how people break into computers‚ what sorts of trouble they cause‚ and what kind of punishment lie ahead for them if caught. Hackers and Crackers break into computer systems for any of
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“Timeline Of Computer” 600’s bc The abacus is developed in China. It was later adopted by the Japanese and the Russians. 600’s ad? Arabic numbers -- including the zero (represented by a dot) -- were invented in India. Arabic translations of Indian math texts brought these numbers to the attention of the Europeans. Arabic numbers entered Europe by means of Spain around 1000 ad and first became popular among Italian merchants around 1300. Until then‚ people used the Roman system in western
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Computer Networks NETWORKING CONCEPTS Network A network is basically an interconnection of various points to make a connected system e.g Road‚ Telephone‚ Social Data Network A computer network therefore refers to an interconnection of computers and other peripherals by use of a communication link Peer to Peer Networks In a peer-to-peer network‚ all computers are considered equal; they all have the same abilities to use the resources available on the network. Peer-to-peer networks are designed
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Introduction to Computer Viruses It’s Saturday morning. You boot up your Windows 98 computer and lo and behold‚ the graphics on the desktop are a mirror image of what they should be. Congratulations‚ you have a computer virus! According to "Virus Bulletin‚" the Oxfordshire‚ England-based technical journal that tracks viruses‚ this new virus flips any uncompressed bitmaps horizontally‚ but only on Saturdays. This bulletin credits GriYo of the 29A virus-writing group as the author of this 32-bit
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Computer Associates Ethics Paper Brief Summary: Based in Islandia‚ N.Y.‚ Computer Associates dominated the market for mainstream utility software‚ programs that helped the computers used by big companies run more efficiently. The company also offers security & storage software. Computer Associates used variety of tricks to inflate its reported profits during the 1990’s. In October 2000‚ the company changed the way it sold software and the way it reported its sales. The Securities and Exchange
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Brief History of Computers (A Look Back at Computing) Computers have become one of the most important parts of modern society. Nearly everything that is modern required or uses computer related technology in some way. But how did computers as we know them come to exist? Did someone sitting in his lab just one day say‚ "Aha! I’ve got it! The computer?! Well‚ no‚ that is not how this happened. Rather‚ many years of brilliant ideas and research from many different individuals contributed
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