GATE 2002
December 19, 2024GATE 2005
December 19, 2024GATE 2002
| Question 9 |
A device employing INTR line for device interrupt puts the CALL instruction on the data bus while
 | |
| HOLD is active | |
| READY is active | |
| None of the above |
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.