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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The computer technology became a very important aspect in human lives that is greatly relied upon. Nowadays personal computers are made quite affordable and allow for easy and fast way to access information and solve problems in daily life. Life is a continuous information interchange and technological progress helps accelerate this exchange. However‚ people are so dependable on computers that they do not realize the impact it has on literacy. Computer literacy is essential in our modern society
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number and title| HND in Computing and Systems Development | 02-Computer Systems| Assignment title|Computer Systems – Unit 2 | In this assignment you will have opportunities to provide evidence against the following criteria.Indicate the page numbers where the evidence can be found | Criteria reference|To achieve the criteria the evidence must show that the student is able to:||Task no.||Evidence| P2.1.1|Explain the role of computer systems in differentenvironments||T1.1||| P2.1.2|Explain the
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Five Generations of Computing The history of computer development is often referred to in terms of five distinct eras‚ or "generations" of computing devices. Each generation of computer is characterized by a major technological development that fundamentally changed the way computers operate‚ resulting in increasingly smaller‚ cheaper‚ more powerful and more efficient and reliable devices. The First Generation: 1946 to 1955 The first computers used vacuum tubes for circuitry‚ magnetic drums
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A computer Nerd- solution to the problem of computer addiction. The computer is becoming the daily feature of our lives. Some people have displaced their work‚ school‚ friends and even family by the computer. When too much time is spent in front of the computer screen that people may be caught in an addiction which replaces the importance of life with the Internet. Computers are bad for our health and decrease attachments with our true life. Serious attempts have to be made to eradicate this problem
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