Central Processing Unit Q.25

25If we use internal data forwarding to speed up the performance of A CPU (R1, R2 and R3 are registers and M[100] is a memory reference), then the sequence of operations
R1 ￫ M[100]
M [100] ￫ R2
M [100] ￫ R3
can be replaced by

Option : D
Explanation : To achieve speedup we can transfer directly like the code given below.
R1 ￫ R2
R1 ￫ R3
R1 ￫ M[100]

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