Consider the following sequence of micro-operations. MBR ← PC MAR ← X PC ← Y…

GATE · 2013 · CS · Computer Science & ITBARC · Computer Science · 2013

Consider the following sequence of micro-operations.

MBR ← PC

MAR ← X

PC ← Y

Memory ← MBR

Which one of the following is a possible operation performed by this sequence?

A.
Instruction fetch
B.
Operand fetch
C.
Conditional branch
D.
Initiation of interrupt service

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Correct answer: D

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