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IT UNIT -4

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    IT
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  • an enclosure that holds the computer's components
    case
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  • a set of words and signs that gives instructions to computers
    code
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  • numbers that can be entered into a computer
    data
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  • an act of entering, using or manipulating data with computers
    data processing
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  • reads information from a magnetic spinning disc
    disk drive
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  • extra circuit boards that are used to increase the functions of a computer
    expansion cards
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  • stores data electronically
    hard drive
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  • refers to the physical parts of a computer
    hardware
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  • transfers heat away from nearby components of a computer
    heat sink
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  • a very powerful computer that can process large amounts of data
    mainframe
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  • a firm slotted board onto which computer circuitry is attached
    motherboard
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  • a device that can be connected to a compter
    peripheral
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  • carries out the instructions of computer programs
    processor
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  • memory that can be quickly accessed
    RAM
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  • program or instruction that makes a computer perform in a specific way
    software
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  • a computer that connects many computers to hardware
    server
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