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The 8 address lines, A23-A16 of 80286 are zero during

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in Microprocessor by (39.4k points)
The 8 address lines, A23-A16 of 80286 are zero during

(a) memory transfer

(b) address transfer

(c) memory to processor transfer

(d) I/O transfer

This question was addressed to me by my college professor while I was bunking the class.

This intriguing question originated from Signal Descriptions of 80286 topic in section 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

1 Answer

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by (49.2k points)
Correct choice is (d) I/O transfer

Easy explanation: The address lines, A23-A16 are zero during I/O transfers.

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