To inform 80387 that the CPU wants to communicate with NPS1, the NPS1 line is directly connected to

Electronics and Communication Engineering (ECE) : Microprocessors - Quiz(MCQ)

A30

A31

D31

M/IO

Correct Answer : Option (D) : M/IO

Explanation : The NPS1 and NPS2 lines are directly connected with M/IO and A31 respectively, to inform 80387 that the CPU wants to communicate with it (NPS1), and it is using one of the reserved I/O addresses for 80387 (NPS2).

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