UGC-NET | UGC NET CS 2014 Dec – III | Question 2
For switching from a CPU user mode to the supervisor mode following type of interrupt is most appropriate
(A) Internal interrupts
(B) External interrupts
(C) Software interrupts
(D) None of the above
Explanation: For switching from a CPU user mode to the supervisor mode Software interrupts occurs. Software interrupts is internal interrupt triggered by some some software instruction. And external interrupt is caused by some hardware module.
For more information on Interrupt Refer:Interrupts in 8085 microprocessor
Option (C) is correct.
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