Microprocessors MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Microprocessors, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Microprocessors MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Microprocessors mcq questions that explore various aspects of Microprocessors problems. Each MCQ is crafted to challenge your understanding of Microprocessors principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Microprocessors MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

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

So, are you ready to put your Microprocessors knowledge to the test? Let's get started with our carefully curated MCQs!

Microprocessors MCQs | Page 32 of 59

Discover more Topics under Electronics and Communication Engineering

Q311.
Instruction cycle is the time required to complete the execution of an instruction.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q312.
The contents of F register in 8085 are 01010001. This means

a.

S = 0, Z = 1, AC = 1, P = 0 and CY=1

b.

S = 1, Z = 1, AC = 1, P = 0 and CY=1

c.

S = 1, Z = 0, AC = 1, P = 0 and CY=1

d.

S = 1, Z = 0, AC = 0, P = 0 and CY=1

Discuss
Answer: (a).S = 0, Z = 1, AC = 1, P = 0 and CY=1
Q313.
In a microprocessor

a.

one machine cycle is equal to one clock cycle

b.

one clock cycle consists of several machine cycles

c.

one machine cycle consists of several clock cycles

d.

one machine cycle is always less than one clock cycle

Discuss
Answer: (c).one machine cycle consists of several clock cycles
Q314.
The number of select lines in ALU 1C 74181 is

a.

2

b.

4

c.

8

d.

16

Discuss
Answer: (b).4
Q315.
In a computer MPU is the centre of all operations and control.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q316.
Assertion (A): A RAM with access time of the order of hundreds of nano seconds is suitable for a control memory.

Reason (R): The time taken to execute an operation in a microcomputer is critically de pendent on access time of control memory.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is correct R is wrong

d.

A is wrong R is correct

Discuss
Answer: (c).A is correct R is wrong
Q317.
The statement ! (b < 5) in C means

a.

b = 5

b.

b > 5

c.

b > = 5

d.

none of the above

Discuss
Answer: (c).b > = 5
Q318.
Which data transfer scheme is used when large block of data is to be transferred in a computer?

a.

DMA

b.

Programmed data transfer

c.

Either (a) or (b)

d.

Neither (a) nor (b)

Discuss
Answer: (a).DMA
Q319.
Fortran 77 has six arithmetic operators.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q320.
Windows can run several tasks simultaneously.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Page 32 of 59