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 5 of 59

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Q41.
Binary number 1101.101 is equivalent to decimal number?
Discuss
Answer: (c).13.625
Discuss
Answer: (b).some instructions need only one machine cycle while some other instructions need more than one machine cycle
Q43.
Assertion (A): If source and destination addresses are made implicit the length of instruction is reduced.

Reason (R): 8085 has only 3 addressing modes.
Discuss
Answer: (c).A is correct R is wrong
Q44.
Assertion (A): Microprocessor 8085 has on-chip oscillator with inbuilt crystal.

Reason (R): For frequency stability crystal oscillator is preferred.
Discuss
Answer: (d).A is wrong R is correct
Q45.
Consider the following program in Pascal:

X = 2.57
X = (X + 0.06) * 10
I = TRUNC (X)
X = I
X = X / 10.0

The final value of X would be
Discuss
Answer: (b).2.6
Q46.
Consider the following

1. The first letter of a Java variable is lower case.
2. Each successive word in Java variable begins with a capital letter.
3. All other letters are lower case.
4. A Java variable can have a digit as first character.

Which of the above are correct?
Discuss
Answer: (b).1, 2, 3 only
Q47.
Which of the following is not an integer constant?
Discuss
Answer: (d).-8.1
Q48.
Let JCOKE = 98 and LPEPSI = 42 Consider the statement

IF (JCOKE - 3 * LPEPSI) 5, 6, 7
5 JCOKE = JCOKE + 5
6 JCOKE = JCOKE + 8
7 JCOKE = JCOKE + 11

The value of JCOKE after the execution of above statement will be
Discuss
Answer: (a).103
Q49.
Which of the following is not a valid real constant in C?
Discuss
Answer: (a).426
Q50.
Which of the following is not a valid integer constant in C (for 16 bit)?
Discuss
Answer: (c).-65321