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11 Cards in this Set

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