Explore topic-wise MCQs in Microprocessors.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.

1.

In access rights byte, to select system segment descriptor, the condition is

A. S=1
B. S=0
C. S not equal to zero
D. none of the mentioned
Answer» C. S not equal to zero
Discussion
2.

In access rights byte, if P (Present)=1, then the segment is mapped into

A. physical memory
B. virtual memory
C. no mapping takes place
D. none of the mentioned
Answer» B. virtual memory
Discussion
3.

A code segment descriptor contains

A. 16-bit segment limit
B. 24-bit segment base address
C. 8-bit access rights byte
D. all of the mentioned
Answer» E.
Discussion
4.

The descriptor that is used for special system data segments and control transfer operations is

A. data segment descriptors
B. gate descriptors
C. code segment descriptors
D. system segment descriptors
Answer» E.
Discussion
5.

A descriptor is used to carry out

A. transfer of control
B. task switching
C. to store privilege level and segment limit
D. all of the mentioned
Answer» E.
Discussion