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Which CPU register holds the instruction that is currently being decoded and executed?

1988Medium DSSSB TGT Computer Science 0 replies 2 views
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Which CPU register holds the instruction that is currently being decoded and executed?

  • AProgram Counter
  • BAccumulator
  • CMemory Address Register
  • DInstruction Register
Correct answer: D

Explanation

The Instruction Register (IR) stores the fetched instruction while the control unit decodes and executes it.
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