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 41 of 59

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Q401.
The read and write cycle times of cache memory are in the range of
Discuss
Answer: (b).25 ns - 45 ns
Discuss
Answer: (a).the registers SI and DI are used for string operation
Q403.
In which of the following logical group instructions of 8085 do the contents of accumulator remain unchanged?
Discuss
Answer: (d).CMP r
Q404.
If quadratic equation x² - 1000x + 25 = 0 is solved using floating point arithmetic with 4 digit mantissa, the roots are
Discuss
Answer: (c)..1000 E 4 and .0000 E 4 respectively
Q405.
Assertion (A): In microprocessor 8085 DMA allows direct access to memory to speed up data transfer.

Reason (R): HOLD and HLDA signals are used for DMA operations.
Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q406.
Which of the following is not a valid variable in FORTRAN 77?
Discuss
Answer: (d).3 VSA
Q407.
The expression A ** B / C + D is equivalent to
Discuss
Answer: (b).AB / C + D
Q408.
Consider the following symbols

1. Letters A to Z and a to z
2. Digits 0 to 9
3. Logical operators and, or, not
4. Parenthesis ( )

Which of the above symbols are available in Pascal?
Discuss
Answer: (d).All
Q409.
Which of the following 8085 instructions does not belong to arithmetic group?
Discuss
Answer: (a).SHLD addr
Q410.
Which characteristics of a memory chip is called dc characteristics?
Discuss
Answer: (d).Power consumption and bus loading