Computer Hardware

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6 Terms

1
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CPU

  • Brain —> communicates to other components

  • Registers —> storage locations

  • Clock speed —> determines how much instructions the CPU can execute

2
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ROM

  • Non-volatile

  • Permanent storage

  • Read-only memory

  • Intended to be read often; written to rarely

  • Visual —> a teacher’s lesson plan

3
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RAM

  • Volatile

  • Primary/main memory

  • Data stored while the system is on

  • Once turned off, the data is deleted

4
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Storage

  • Allows the user to store digital data

  • The smallest physical unit

  • Has partitions —> logically segmented data

5
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SSD

  • Fast

  • Uses less power

  • Flash memory chips (type of non-volatile storage)

  • Costs more

6
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HDD

  • Slower

  • Needs more power

  • Contains individual magnetic disks

  • Fragile