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.

When the CPU executes IRET,

A. contents of IP and CS are retrieved
B. the control transfers from ISR to main program
C. clears the trap flag
D. clears the interrupt flag
Answer» B. the control transfers from ISR to main program
Discussion
2.

At the end of ISR, the instruction should be

A. END
B. ENDS
C. IRET
D. INTR
Answer» D. INTR
Discussion
3.

After every response to the single step interrupt the flag that is cleared is

A. IF (Interrupt Flag)
B. TF (Trap Flag)
C. OF (Overflow Flag)
D. None of the mentioned
Answer» C. OF (Overflow Flag)
Discussion
4.

Example of an internal interrupt is

A. divide by zero interrupt
B. overflow interrupt
C. interrupt due to INT
D. all of the mentioned
Answer» E.
Discussion