Introduction of Computers What is Computer. Computer is an electronic machine‚ which accepts instructions‚ commands and information‚ based on the information process the given information at Ultra High Speed and produce the result on the screen and printer. Qualities of Computer. Possess the following:- a. Ultra High Speed b. Accuracy c. Huge Capacity for Storage d. Decision Making Ability Main Parts of Computers. Following are the main parts
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Computer Organization with Assembly Language Digital Computer: A digital computer is a fast electronic calculating machine that accepts digitized input information‚ processes it according to a list of internally stored instructions‚ and produces the resulting output information. Types of Computers: 1. Personal Computers 2. Workstations 3. Mainframes 4. Supercomputers Basic Operation of a Computer 1. The computer accepts information in the form of programs and data through an
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Storage 5. Sound card • Other parts 1. Motherboard 2. Cooling (Air and liquid) 3. Case 4. Peripherals (DVD‚ monitors‚ mouse‚ keyboard‚ speakers) 5. Power supply HIGHER SPECS GPU - Graphic processing unit Also called as a VPU or a visual processing unit‚ is a specialised electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in frame buffer intended for output to a display. GPUs are very efficient at manipulating computer graphics‚ and their highly
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period of three decades‚ computer has become a household item all around the world. With the introduction of Internet‚ in the 90s‚ computers became a significant medium to communicate with people around the world. It became a source of information and now there is an increasing number of businesses shifting toward e-Commerce‚ which means doing business on the Internet. From a few hundred thousand pages on the Internet in 1994‚ there are now over a billion pages and these are being added at the rate of
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Generations of Computer Computer Age: Past‚ Present‚ and Future The First generation The Second Generation The Third Generation The Fourth Generation The Fifth Generation The Computer Age 1951-1958 The First Generation Vacuum Tube – – Rapid changes Four generations over 50 years Trends across generations – Decrease size – Increase speed Magnetic core memory Storage – – Heat Burnout Machine language Punched cards Tape (1957) Characteristics of 1st Generation Computers Computers
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Computer Crimes Alicia Brown Computer Literacy 103 Professor Sally Rogers October 9‚ 2008 Computer Crimes A computer crime would be defined as criminal activity where a computer or network is the source or place of a crime. Computer crimes have become more common in today’s society. In the old days people would rob banks to get a pay out‚ nowadays people are committing crimes through computers. Besides the obvious difference‚ computer crimes have a much larger pay out than the
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Computer Crime Computer crimes need to be prevented and halted thought increased computer network security measures as well as tougher laws and enforcement of those laws in cyberspace: Computer crime is generally defined as any crime accomplished through special knowledge of computer technology. All that is required is a personal computer‚ a modem‚ and a phone line. Increasing instances of white-collar crime involve computers as more businesses automate and information becomes an important
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amounts to $1200.Calculate: (i) the total sum of money to be shared(ii) A’s share(iii) the percentage of the total amount that Breceives (5 marks) May 1990 Calculators‚ slide rules and mathematical tables must NOT be used to answer thisquestion. Show ALL steps clearly.(a) Calculate the exact value of 4⅓ - 1⅚__ 1 3/7x1⅔(3 marks)(b) Calculate the value of 0.023/0.351 giving your answer correct to 2 significantfigures(3 marks)(c) (i) Some years ago‚ US$1.00 (one United States dollar) was equivalent
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Computer systems P1‚ P2 & M1 By James Butterfield NOTE: THIS WAS PRODUCED IN THE UK PLEASE CORRECT SPELLING IF BEING USED IN USA THESE SHOULD ONLY BE USED AS NOTES TO BE PUT INTO YOUR OWN WORDS FOR THE SAFETY OF YOUR GRADE P1 Motherboard The motherboard connects all devices and allows them to communicate with one another using various different interfaces as if it’s the brain of the computer. The motherboard has a chipset which means that only certain hardware that can be connected
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CS 11 Handout Outline I Basic computer concepts A Definition of a computer B Number systems and conversion C Types of programming languages Program Development Cycle A Problem Identification B Logic Formulation C Coding D Testing and Debugging E Storage and Maintenance Program Logic Formulation A Algorithms B Algorithm Representation 1 Flowchart 2 Pseudocode Programming Fundamentals A Data Types B Variables and Constants C Operators D Expressions Control Structures A Sequential B Conditional C
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