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11 Cards in this Set
- Front
- Back
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Four parts of a computer
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Input, CPU, memory (storage), output
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CPU
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Central processing unit-"heart" of computer; also known as icroprocessor
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Input units
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Feeds information into the computer through deivces such a keyboards or scanners
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Memory or storage units (and two types)
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Helps remeber information; every computer has both internal and external; ROM and RAM
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ROM
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Read-only memory-permanent instructions stored within the computer
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RAM
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Random acsess memory-Memory stored while the computer is on (lost when turned off)
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Types of CDs
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CD-ROM, CD-R, CD-RW
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CD-ROM
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Compact disc read-only memory-permanent; cannot earse or add data
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CD-R
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Compact disc recordable-can be recorded onto, but only once
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CD-RW
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Compact disc rewriteable-data can be added and earsed as often as needed
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Output units
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Decodes information; monitors, printers
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