# Networks, Signals and Systems-Continuous-Time Signals [GATE (Graduate Aptitude Test in Engineering) Electronics]: Questions 1 - 3 of 26

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## Question 1

Continuous-Time Signals
Fourier Series and Fourier Transform Representations

Appeared in Year: 2018 (UGC-NET)

### Question

MCQ▾

The Laplace transform of a signal is given as; . The signal will be: (July)

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 2

Continuous-Time Signals
Fourier Series and Fourier Transform Representations

Appeared in Year: 2018 (UGC-NET)

### Question

MCQ▾

Consider the following statement regarding z- transform:

1) The z-transform replaces the Laplace transform for sampled- data system.

2) The z-transform replaces the Laplace transform for continuous- data system.

3) The z- transforms provides direct parallels to the s-plane analysis of transients, steady state errors, stability, etc.

4) We cannot map points on s-plane to points on z-plane.

Which of the above statements are correct? (July)

### Choices

Choice (4)Response

a.

2) , 3) and 4) only

b.

1) and 3) only

c.

1) and 4) only

d.

1) , 2) and 4) only

## Question 3

Continuous-Time Signals
Fourier Series and Fourier Transform Representations

Appeared in Year: 2018 (UGC-NET)

### Question

MCQ▾

The following statements are correct for DSB-SC signal:

1) It is a low pass filter.

2) It needs minimum transmitted power.

3) It is a result of product modulator.

4) Bandwidth of DSB-SC is twice the maximum frequency. (July)

### Choices

Choice (4)Response

a.

1) , 2) and 3) are correct

b.

2) and 4) are correct

c.

1) , 2) and 4) are correct

d.

3) and 4) are correct

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