Digital Circuits [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 182 - 186 of 271

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Question 182

Digital Circuits
Arithmetic Circuits, Code Converters, Multiplexers, Decoders and PLAs

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

A digital multiplexer can be used for which of the following?

1. Parallel-to-serial conversion

2. Many-to-one switch

3. To generate memory chip select

4. for code conversion

Select the correct answer using the code given below:

Choices

Choice (4)Response

a.

1 & 2

b.

1,3 & 4

c.

2,3 & 4

d.

2 & 3

Question 183

Digital Circuits
Arithmetic Circuits, Code Converters, Multiplexers, Decoders and PLAs

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

The multiplexer is also known as

Choices

Choice (4)Response

a.

Decoder

b.

Shift register

c.

Data selector

d.

Counter

Question 184

Digital Circuits
Boolean Algebra, Minimization of Functions

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Consider the following logic families:

1. RTL

2. DTL

3. TTL

4. ECL

The sequence of these logic families in the order of their decreasing Fan-Out is

Choices

Choice (4)Response

a.

4,3, 2,1

b.

2,1, 3,4

c.

3,4, 2,1

d.

1,2, 3,4

Question 185

Digital Circuits
Sample and Hold Circuits, ADCs and DACs

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Consider the Analogue and Digital converters given below:

1. Successive Approximation ADC

2. Dual Ramp ADC

3. Counter Method ADC

4. Simultaneous ADC

The correct sequence of the ascending order in terms of conversion times of these ADC՚s is

Choices

Choice (4)Response

a.

2,3, 4,1

b.

3,2, 1,4

c.

4,1, 3,2

d.

3,2, 4,1

Question 186

Digital Circuits
Boolean Algebra, Minimization of Functions

Appeared in Year: 2013 (UGC-NET)

Question

MCQ▾

Which of the following logic family is fastest of all?

Choices

Choice (4)Response

a.

TTL

b.

ECL

c.

RTL

d.

DCTL

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