Digital Electronics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Digital Electronics, 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 Digital Electronics 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 Digital Electronics mcq questions that explore various aspects of Digital Electronics problems. Each MCQ is crafted to challenge your understanding of Digital Electronics 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 Digital Electronics 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 Digital Electronics. 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 Digital Electronics knowledge to the test? Let's get started with our carefully curated MCQs!

Digital Electronics MCQs | Page 57 of 117

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Q561.
In 8085 microprocessor, what is the length of temporary register?

a.

6 bits

b.

8 bits

c.

12 bits

d.

16 bits

Discuss
Answer: (b).8 bits
Q562.
A Read/Write memory chip has a capacity of 64 k bytes. Assuming separate data and address line and availability of chip enable signal, what is the minimum number of pins required in the IC chip?

a.

28

b.

26

c.

24

d.

22

Discuss
Answer: (a).28
Q563.
SSI refers to ICs with

a.

less than 12 gates on the same chip

b.

less than 8 gates on the same chip

c.

less than 6 gates on the same chip

d.

less than 3 gates on the same chip

Discuss
Answer: (a).less than 12 gates on the same chip
Q564.
In 8085, TRAP is

a.

always maskable

b.

cannot interrupt a service subroutine

c.

used for catastrophic events like temporary power failure

d.

lowest priority interrupt

Discuss
Answer: (c).used for catastrophic events like temporary power failure
Q565.
The simplest register is

a.

buffer register

b.

shift register

c.

controlled buffer register

d.

bidirectional register

Discuss
Answer: (a).buffer register
Q566.
The hexadecimal number 5 F is equal to binary number

a.

1010011

b.

1011001

c.

1010101

d.

1011111

Discuss
Answer: (d).1011111
Q567.
Which of the following methods is used for solving differential equations numerically?

a.

Runge-Kutta method

b.

Gauss-elimination method

c.

Newton-Raphson method

d.

Any one of these

Discuss
Answer: (a).Runge-Kutta method
Q568.
Some ADCs are

1. Parallel
2. Updown
3. Single slope
4. Dual slope
5. Successive approximation
6. Stair step

Out of above which ones do not use DAC?

a.

1 only

b.

1, 3, 4

c.

1, 2, 3

d.

1, 5, 6

Discuss
Answer: (b).1, 3, 4
Q569.
As compared to TTL, ECL has

a.

lower power dissipation

b.

lower propagation delay

c.

higher propagation delay

d.

higher noise margin

Discuss
Answer: (b).lower propagation delay
Q570.
A 16-megabit dynamic random access memory (DRAM) is an integrated circuit capable of storing __________ characters (bytes).

a.

1048567

b.

16 x 1024 x 10⁶

c.

16 x 10⁶

d.

2.1 x 10⁶

Discuss
Answer: (d).2.1 x 10⁶
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