Analog computers The earliest computing machines in wide use were not digital but analog. In analog representation‚ properties of the representational medium ape (or reflect or model) properties of the represented state-of-affairs. (In obvious contrast‚ the strings of binary digits employed in digital representation do not represent by means of possessing some physical property — such as length — whose magnitude varies in proportion to the magnitude of the property that is being represented.) Analog
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Disadvantages: 1. People somtimes spend all their time secluded in theirs rooms on the computer. 2. Peadophiles on chat rooms 3. Easier to copy peoples homework as you can sometimes find the sources online. 4. Illegal downloading can ruin businesses 5. Details such as bank records‚ can be hacked into‚ and thus your personal information is no longer as safe as it used to be. Advantages of Computers 1. It can store large amount of facts‚ instructions‚ and information. 2. It can process data
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Case Study : Atlantic Computers Index: Topic Sequence Company Overview Price Strategy adopted..........................................................................1.0 Matzer’s reaction to your recommendation...............................................2.0 Cadena’s reaction to your recommendation..............................................3.0 Customer’s reaction..............................................................................4.0 Responses to
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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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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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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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* Computer forensics lab usually conduct a digital forensic analysis * There are many type of computer forensics tool‚ some are free and some are licensed * Forensics lab usually are restricted to outsider What we don’t know * How computer forensics preserve their evidence * Overview of computer forensics lab * Cost to build a computer forensics lab What we need to know * Specific tool that use by computer forensics base on their case * How to build a computer forensics
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White-collar crime‚ specifically computer crime‚ is becoming more popular as computers become more readily available. Crimes using computers and crimes against computers are usually committed without fear of being caught‚ due to the detachment of the offender from the victim. Computer crime is defined as‚ “Criminal activity directly related to the use of computers‚ specifically illegal trespass into the computer system or database of another‚ manipulation or theft of stored or on-line data‚ or sabotage
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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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