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Data operations and input/output control are carried out by which register?

61. Data operations and input/output control are carried out by which register?

  1. AX (Accumulator)
  2. BX (Base)
  3. CX (Count)
  4. DX (Data)

Answer: D) DX (Data)

Explanation:

Data operations and input/output control are carried out by DX (Data) register.

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