# Signals and Systems MCQ Questions and Answers Pdf - 1

Question: 1

For a given sample-and-hold circuit, if the value of the hold capacitors is increased, then

(A) Drop rate decreases and acquisition time increases

(B) Drop rate decreases and acquisition time decreases

(C) Drop rate increases and acquisition time increases

(D) Drop rate increases and acquisition time decreases

Ans: A

Drop rate decreases and acquisition time increases

Question: 2

The trigonometric Fourier series of a periodic time function can have only

(A) Cosine and sine terms

(B) Dc and cosine terms

(C) Cosine terms

(D) Sine terms

Ans: A

Cosine and sine terms

Question: 3

The colour TV picture signal is a

(A) Single channel, one dimensional signal

(B) Single channel, three dimensional signal

(C) Three channel, three dimensional signal

(D) Three channel, one dimensional signal

Ans: B

Single channel, three dimensional signal

Question: 4

The ACF of a rectangular pulse of duration T is

(A) A triangular pulse of duration T

(B) A triangular pulse of duration 2T

(C) A rectangular pulse of duration T

(D) A rectangular pulse of duration 2T

Ans: B

A triangular pulse of duration 2T

Question: 5

The trigonometric Fourier series of an even function does not have the

(A) Sine terms

(B) Cosine terms

(C) Dc terms

(D) Odd harmonic terms

Ans: A

Sine terms

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