# 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:

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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