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 44 of 59

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Q431.
Assertion (A): Static RAMS are used where speed of operation is of primary concern.

Reason (R): Dynamic RAM has lower cost per bit than static RAM.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q432.
In 8085 the time required to add two 32 bit numbers is (if clock frequency is 5 MHz)
Discuss
Answer: (c).about 30 ฮผs
Q433.
Consider the following ON GO TO statement in Basic

45 ON C GO TO 10, 20, 30

If the values of C are 1, 2, 3, 2.6 the control will be transferred to statement number
Discuss
Answer: (a).10, 20, 30, 20 respectively
Q434.
Consider the following about 'return' statement in C

1. On executing the return statement, it immediately transfers the control back to the calling program.
2. There is no restriction on the number of 'return' statements present in a function.
3. The 'return' statement must be present at the end of called function.

Which of the above are correct?
Discuss
Answer: (b).1 and 2 only
Q435.
For an accurate clock period in 8085 it is preferable to use
Discuss
Answer: (a).Crystal
Discuss
Answer: (a).register, cache, primary, mass, off line back up
Q437.
When a peripheral device is not ready for data transfer it will send to the microprocessor a
Discuss
Answer: (a).low READY bit
Q438.
If X = 2.5 and Y = 2.5, which of the following expressions would give the result as 5/7?
Discuss
Answer: (c).(X + 2.5) / (Y + 4.5)
Q439.
Which of the following is not a classification of programmed data transfer?
Discuss
Answer: (d).Direct transfer
Q440.
Consider the instructions

1. MOV M, B
2. OUT 4
3. LDA X

Which of the above uses IO/W cycle?
Discuss
Answer: (c).2 only