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The I/O devices are sometimes called the peripheral devices because they surround the CPU and memory of the computer system.

  • A.True
  • B.False

Answer: A

Correct answer: True

The name is literal: peripheral means "at the edge", and these devices sit outside the processor and main memory, connected through controllers, buses and ports.

The distinction is architectural rather than physical. A hard disk inside the case is still a peripheral, because it is reached through a controller rather than being addressed directly as memory is. What defines the core is direct access by the processor; everything else surrounds it.

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