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 12 of 59

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Q111.
Consider the following statements about 'Functions' in C

1. A function can be called any number of times.
2. A function gets called when the function name is followed by a semicolon.
3. The order in which functions are defined in a program and the order in which they are called must be the same.

Which of the above statements are correct?
Discuss
Answer: (b).1 and 2 only
Q112.
A failure rate of 0.01 percent in 1000 hours in a memory corresponds to an MTBF of
Discuss
Answer: (b).100000 hours
Q113.
Consider the following statements about expressing real constants in exponential form in C

1. The mantissa and exponent are separated either by e or E.
2. The mantissa and exponent may have positive or negative sign.
3. Default sign of mantissa is positive.
4. Default sign of exponent is negative.

Which of the above statements are wrong?
Discuss
Answer: (b).1 and 4 only
Q114.
If F = 95.0 what will be the result of following FORTRAN 77 program?

REAL F , C
READ * , F
C = (5. / 9.) * (F - 32.)
Discuss
Answer: (a).35.0
Q115.
Consider the following library functions

1. EXP (i.e., ex)
2. ARCTAN (i.e. tanβ€Ύ¹ x)
3. SQRT (i.e., √x)
4. AES (i.e. |x|)

Which of the above are allowed in Pascal?
Discuss
Answer: (a).All
Q116.
Consider the following program in Basic

10 READ X, Y, Z
15 DATA 20, 30, 10
20 S = X + Y + Z
30 A = S/3
35 PRINT S, A, X, Y, Z
40 END

The output will be
Discuss
Answer: (a).60, 20, 20, 30, 10
Q117.
Let the initial contents of ACC and CY in 8085 be

1. CY = 1
2. ACC = 10000001

After the instruction RAL is executed twice the contents of CY and ACC respectively will be
Discuss
Answer: (b).0 and 00000111
Discuss
Answer: (b).4 successive bits of data
Q119.
Consider the following statements

1. An assembler is a program having assembly language program as input and machine language program as output.
2. A macro assembler is an assembler with additional macro facilities.
3. A cross assembler for a ΞΌP X is an assembler which executes on source microcomputer with a different CPU than X bit generates code for X.
4. Assemblers generally do not provide macro facilities.

Of the above statement
Discuss
Answer: (b).only 1, 2, 3 are correct
Q120.
A computer window has a bar at its top to bear the name of window. This bar is called
Discuss
Answer: (a).title bar