At the end of ISR, the instruction should be
A. END
B. ENDS
C. IRET
D. INTR
Answer:A
At the end of ISR, the instruction should be
A. END B. ENDS C. IRET D. INTR
Explanation: After the execution of the ISR, the control must go to the previous program (may be main program) which was being executed. To execute it, IRET is placed at the end of ISR.