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 56 of 59

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Q551.
The number of interrupt lines in 8085 is

a.

2

b.

3

c.

4

d.

5

Discuss
Answer: (d).5
Q552.
If KMT = 100, LITRES = 5.0, PCOST = 28.0 and OPCOST = 70.0 what will be the result of the following FORTRAN 77 program?

INTEGER KMT
REAL LITRES, PCOST, OPCOST, PKCOST READ *, KMT,
LITRES, PCOST, OPCOST, PKCOST
KMPL = KMT/LITRES PKCOST = (PCOST * LITRES + OPCOST)/ KMT

Discuss
Answer: (b).2.10
Discuss
Answer: (c).integer part, fraction part along with positive or negative sign
Q554.
Assertion (A): Negative values of incremental operator in DO loop are allowed in Fortran 77 but not in earlier versions of Fortran.

Reason (R): Fortran 77 has better array facilities than earlier versions of Fortran.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q555.
In FORTRAN 77 the correct way to write mathematical expression A/BC - D2 is be
Discuss
Answer: (a).A / (B * C) - D ** 2
Q556.
Which of the following is not treated as hexadecimal constant by assembler in 8085?
Discuss
Answer: (c).234
Q557.
If CS = Aฬ…โ‚โ‚… Aโ‚โ‚„ Aโ‚โ‚ƒ is used as chip select logic of a 4 K RAM in 8085 system, its memory range is
Discuss
Answer: (d).6000 H - 6 FFF H and 7000 H - 7 FFF H
Q558.
Consider the following part of a C program float a, b

b = (a > 4 ? 2 : 9);

Assuming that a has values of 3 and 6, the values stored respectively will be
Discuss
Answer: (d).9.0 and 2.0
Q559.
Consider the following operation in a computer

1. Multiplication of scalar
2. Iversion of matrix
3. Printing a line of 120 characters on a printer

Which of the above is a subroutine?
Discuss
Answer: (c).1, 2 and 3
Q560.
For most static RAM the maximum access time is about
Discuss
Answer: (c).100 ns