Explore topic-wise MCQs in Microprocessors.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Microprocessors knowledge and support exam preparation. Choose a topic below to get started.

1.

8086_DOES_NOT_SUPPORT?$

A. Arithmetic operations
B. logical operations
C. BCD operations
D. Direct BCD packed multiplication
Answer» E.
Discussion
2.

For_8086_microprocessor,_the_stack_segment_may_have_a_memory_block_of_a_maximum_of$

A. 32K bytes
B. 64K bytes
C. 16K bytes
D. NONE
Answer» C. 16K bytes
Discussion
3.

The number of PUSH instructions and POP instructions in a subroutine must b?

A. PUSH instructions must be greater than POP instructions
B. POP instructions must be greater than PUSH instructions
C. Both must be equal
D. Instructions may be any kind
Answer» D. Instructions may be any kind
Discussion
4.

When a stack segment is initialised then

A. SS and SP are initialised
B. only SS is initialised
C. only SP is initialised
D. SS and SP need not be initialised
Answer» B. only SS is initialised
Discussion
5.

The register or memory location that is pushed into the stack at the end must be

A. popped off last
B. pushed off first
C. popped off first
D. pushed off last
Answer» D. pushed off last
Discussion
6.

PUSH operation

A. decrements SP
B. increments SP
C. decrements SS
D. increments SS
Answer» B. increments SP
Discussion
7.

The stack segment register contains

A. address of the stack segment
B. base address of the stack segment
C. pointer address of the stack segment
D. data in the stack segment
Answer» C. pointer address of the stack segment
Discussion
8.

The stack pointer register contains

A. address of the stack segment
B. pointer address of the stack segment
C. offset of address of stack segment
D. data present in the stack segment
Answer» D. data present in the stack segment
Discussion