Programming
April 14, 2024Question 6912 – UGC NET CS 2015 Dec – paper-3
April 14, 2024Question 6910 – UGC NET CS 2015 Dec – paper-3
A CPU handles interrupt by executing interrupt service subroutine __________.
Correct Answer: A
Question 6 Explanation:
CPU after completing the execution of a instruction checks the status of interrupt if there is a interrupt then CPU executes the interrupt service routine to service it else CPU stats executing next instruction.
by checking interrupt register after execution of each instruction
by checking interrupt register at the end of the fetch cycle
whenever an interrupt is registered
by checking interrupt register at regular time interval