Electronics and Communication Engineering - Digital Electronics

Why Electronics and Communication Engineering Digital Electronics?

In this section you can learn and practice Electronics and Communication Engineering Questions based on "Digital Electronics" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

Where can I get Electronics and Communication Engineering Digital Electronics questions and answers with explanation?

IndiaBIX provides you lots of fully solved Electronics and Communication Engineering (Digital Electronics) questions and answers with Explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. All students, freshers can download Electronics and Communication Engineering Digital Electronics quiz questions with answers as PDF files and eBooks.

Where can I get Electronics and Communication Engineering Digital Electronics Interview Questions and Answers (objective type, multiple choice)?

Here you can find objective type Electronics and Communication Engineering Digital Electronics questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.

How to solve Electronics and Communication Engineering Digital Electronics problems?

You can easily solve all kind of Electronics and Communication Engineering questions based on Digital Electronics by practicing the objective type exercises given below, also get shortcut methods to solve Electronics and Communication Engineering Digital Electronics problems.

1. 

The resolution of an n bit DAC with a maximum input of 5 V is 5 mV. The value of n is

A. 8
B. 9
C. 10
D. 11

Answer: Option C

Explanation:

1000 = 5 or N = 10.


2. 

2's complement of binary number 0101 is

A. 1011
B. 1111
C. 1101
D. 1110

Answer: Option A

Explanation:

1's complement of 0101 is 1010 and 2's complement is 1010+1 = 1011.


3. 

An OR gate has 4 inputs. One input is high and the other three are low. The output

A. is low
B. is high
C. is alternately high and low
D. may be high or low depending on relative magnitude of inputs

Answer: Option B

Explanation:

In OR any input high means high output.


4. 

Decimal number 10 is equal to binary number

A. 1110
B. 1010
C. 1001
D. 1000

Answer: Option B

Explanation:

1010 = 8 + 2 = 10 in decimal.


5. 

Both OR and AND gates can have only two inputs.

A. True
B. False

Answer: Option B

Explanation:

Any number of inputs are possible.


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