GATE 2002
December 19, 2024GATE 2005
December 19, 2024GATE 2002
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Question 9
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A device employing INTR line for device interrupt puts the CALL instruction on the data bus while
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HOLD is active
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READY is active
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None of the above
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Question 9 Explanation:
INTR is a signal which if enabled then microprocessor has interrupt enabled it receives high INR signal & activates INTA signal, so another request can’t be accepted till CPU is busy in servicing interrupt.
Correct Answer: A
Question 9 Explanation:
INTR is a signal which if enabled then microprocessor has interrupt enabled it receives high INR signal & activates INTA signal, so another request can’t be accepted till CPU is busy in servicing interrupt.