M

Mr. Dubey • 52.26K Points
Coach 

Q. The system is notified of a read or write operation by

(A) appending an extra bit of the address
(B) enabling the read or write bits of the devices
(C) raising an appropriate interrupt signal
(D) sending a special signal along the bus
Correct : Option (D)

Explanation: 
 it is necessary for the processor to send a signal intimating the request as either read or write.

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