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If complex instructions like interrupt handling, string manipulation appear, then the control from trace cache transfers to

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If complex instructions like interrupt handling, string manipulation appear, then the control from trace cache transfers to

(a) microcode ROM

(b) front end branch predictor

(c) execution module

(d) instruction decoder

I had been asked this question in semester exam.

My query is from Features of Pentium 4, Netburst Microarchitecture For Pentium4 -1 topic in section Pentium 4 processor of Microprocessor

1 Answer

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by (49.2k points)
Correct option is (a) microcode ROM

Best explanation: When some complex instructions like interrupt handling, string manipulation appear, then the control from trace cache transfers to microcode ROM.

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