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Welcome to the Special Architectural Features and Programming MCQs Page

Dive deep into the fascinating world of Special Architectural Features and Programming with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Special Architectural Features and Programming, a crucial aspect of Microprocessor. In this section, you will encounter a diverse range of MCQs that cover various aspects of Special Architectural Features and Programming, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Microprocessor.

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Check out the MCQs below to embark on an enriching journey through Special Architectural Features and Programming. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Microprocessor.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Special Architectural Features and Programming. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Special Architectural Features and Programming MCQs | Page 4 of 9

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Q31.
The number of PUSH instructions and POP instructions in a subroutine must be

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

Discuss
Answer: (c).Both must be equal
Q32.
8086 does not support

a.

Arithmetic operations

b.

logical operations

c.

BCD operations

d.

Direct BCD packed multiplication

Discuss
Answer: (d).Direct BCD packed multiplication
Q33.
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 of the above

Discuss
Answer: (b).64K bytes
Q34.
While CPU is executing a program, an interrupt exists then it

a.

follows the next instruction in the program

b.

jumps to instruction in other registers

c.

breaks the normal sequence of execution of instructions

d.

stops executing the program

Discuss
Answer: (c).breaks the normal sequence of execution of instructions
Q35.
An interrupt breaks the execution of instructions and diverts its execution to

a.

Interrupt service routine

b.

Counter word register

c.

Execution unit

d.

control unit

Discuss
Answer: (a).Interrupt service routine
Q36.
While executing the main program, if two or more interrupts occur, then the sequence of appearance of interrupts is called

a.

multi-interrupt

b.

nested interrupt

c.

interrupt within interrupt

d.

nested interrupt and interrupt within interrupt

Discuss
Answer: (d).nested interrupt and interrupt within interrupt
Q37.
Whenever a number of devices interrupt a CPU at a time, and if the processor is able to handle them properly, it is said to have

a.

interrupt handling ability

b.

interrupt processing ability

c.

multiple interrupt processing ability

d.

multiple interrupt executing ability

Discuss
Answer: (c).multiple interrupt processing ability
Q38.
NMI stands for

a.

nonmaskable interrupt

b.

nonmultiple interrupt

c.

nonmovable interrupt

d.

none of the mentioned

Discuss
Answer: (a).nonmaskable interrupt
Q39.
If any interrupt request given to an input pin cannot be disabled by any means then the input pin is called

a.

maskable interrupt

b.

nonmaskable interrupt

c.

maskable interrupt and nonmaskable interrupt

d.

none of the mentioned

Discuss
Answer: (b).nonmaskable interrupt
Q40.
The INTR interrupt may be

a.

maskable

b.

nonmaskable

c.

maskable and nonmaskable

d.

none of the mentioned

Discuss
Answer: (a).maskable
Page 4 of 9

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