Explore topic-wise MCQs in Microprocessors.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.

1.

The service to an interrupt will be delayed if it appears during the execution of

A. RETI instruction
B. Instruction that writes to IE register
C. Instruction that writes to IP register
D. All of the mentioned
Answer» E.
Discussion
2.

For an interrupt to be guaranteed served it should have duration of

A. one machine cycle
B. three machine cycles
C. two machine cycles
D. four machine cycles
Answer» D. four machine cycles
Discussion
3.

If two interrupts, of higher priority and lower priority occur simultaneously, then the service provided is for

A. interrupt of lower priority
B. interrupt of higher priority
C. lower & higher priority interrupts
D. none of the mentioned
Answer» C. lower & higher priority interrupts
Discussion
4.

The minimum duration of the active low interrupt pulse for being sensed without being lost must be

A. greater than one machine cycle
B. equal to one machine cycle
C. greater than 2 machine cycles
D. equal to 2 machine cycles
Answer» C. greater than 2 machine cycles
Discussion