GATE | GATE-CS-2002 | Question 9

A device employing INTR line for device interrupt puts the CALL instruction on the data bus while

A)      gatecs2002Q8 is active
B)	HOLD is active
C)	READY is active
D)	None of these

(A) A
(B) B
(C) C
(D) D

Answer: (A)

Explanation: Explanation:

INTR is a signal which if enabled then microprocessor has interrupt enabled .It receives high INTR signal and activates INTA signal, So another request can’t be accepted till CPU is busy in servicing interrupt

So (A) is correct option.

Quiz of this Question

My Personal Notes arrow_drop_up

Article Tags :

Be the First to upvote.

Please write to us at to report any issue with the above content.