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 55 of 59

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Q541.
In 8085

a.

P flag is set when the result has even parity

b.

P flag is set when the result has odd parity

c.

P flag is reset when the result has odd parity

d.

P flag is reset when the result has even parity

Discuss
Answer: (a).P flag is set when the result has even parity
Q542.
Some words like READ, WRITE, STOP etc. cannot be used as variable names in Fortran 77.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q543.
Which of the following 8085 instructions do not effect CY flag?

a.

SEE M

b.

SEE R

c.

DCRM

d.

ADC M

Discuss
Answer: (c).DCRM
Q544.
A compiler converts a high level computer program into machine language program.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q545.
In 8085, the pairing of registers B, C, D, E, H, L is

a.

B - C, D - E, H - L

b.

B - D, C - E, H - L

c.

B - C, D - L, H - E

d.

B - H, D - E, C - L

Discuss
Answer: (a).B - C, D - E, H - L
Q546.
Internet is a worldwide network of computers where most of the information is freely available.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q547.
A 37 bit mantissa has an accuracy of

a.

6 decimal places

b.

8 decimal places

c.

10 decimal places

d.

11 decimal places

Discuss
Answer: (d).11 decimal places
Q548.
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

a.

assignment, relational, arithmetic

b.

relational, assignment, arithmetic

c.

arithmetic, assignment, relational

d.

arithmetic, relational, assignment

Discuss
Answer: (d).arithmetic, relational, assignment
Q549.
In 8085, the pins for SID and SOD are

a.

4 and 5 respectively

b.

5 and 4 respectively

c.

3 and 4 respectively

d.

4 and 3 respectively

Discuss
Answer: (b).5 and 4 respectively
Q550.
Assertion (A): Each memory chip has its own address latch.

Reason (R): ALE signal comes out of microprocessor 8085 and goes to memory chip.

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: (d).A is wrong R is correct
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