Question

If the logical processors want to execute complex IA-32 instructions simultaneously then the number of microcode instruction pointers required is

(a) 1

(b) 2

(c) 3

(d) 4

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This question is from Netburst Microarchitecture For Pentium4 -2,  Instruction Translation Lookaside Buffer (ITLB) and Branch Prediction topic in division Pentium 4 processor of Microprocessor

Answer 1

The correct choice is (b) 2

The explanation is: If both the logical processors want to execute complex IA-32 instructions simultaneously then two microcode instruction pointers are required, which will access the microcode ROM.