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A _____ is responsible for transferring data between other components inside a computer.

  • A

    Random access memory.

  • B

    Central processing unit.

  • C

    Read only memory.

  • D
    Data bus.

‘Bus’ is a term used for a facility (wiring, optical fibre, etc.) which transfers data between different parts of a computer, both internally and externally.

System bus is a term which refers to the buses that the CPU of a computer uses to communicate to its environment. Usually, three buses are distinguished:

  • Data bus - transferring data.
  • Address bus - transferring machine addresses.
  • Control bus - governing the direction of data transfer, interruption, reset and bus status.

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