Digital Signal Processing Gate MCQ | Digital Signal Processing Multiple Choice Q & A

Questions

1 Which of the following is common independent variable for speech signal, EEG and ECG?

A Time

B Spatial coordinates

C Pressure

D None of the mentioned

View Answer

Answer:Time

2 Which of the following conditions made digital signal processing more advantageous over analog signal processing?

A Flexibility

B Accuracy

C Storage

D All of the mentioned

View Answer

Answer:All of the mentioned

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3 Which property does y(t)=x(1-t) exhibit?

A Time scaling

B Time shifting

C Reflecting

D Time shifting and reflecting

View Answer

Answer:Time shifting and reflecting

4 If x(n)=(0,1,2,3,3,0,0,0) then x(2n) is?

A (0,2,4,6,6,0,0,0)

B (0,1,2,3,3,0,0,0)

C (0,2,3,0,0,0,0,0)

D None of the mentioned

View Answer

Answer:(0,2,3,0,0,0,0,0)

5 If x(n)=(0,0,1,2,3,4,0,0) then x(n-2) is?

A (0,0,2,4,6,8,0,0)

B (0,0,1,2,3,4,0,0)

C (1,2,3,4,0,0,0,0)

D (0,0,0,0,1,2,3,4)

View Answer

Answer:(0,0,0,0,1,2,3,4)

6 If x(n)=(0,0,1,1,1,1,1,0) then x(3n+1) is?

A (0,1,0,0,0,0,0,0)

B (0,0,1,1,1,1,0,0)

C (1,1,0,0,0,0,0,0)

D None of the mentioned

View Answer

Answer:(0,1,0,0,0,0,0,0)

7 If a signal x(t) is processed through a system to obtain the signal (x(t)2), then the system is said to be ____________

A Linear

B Non-linear

C Exponential

D None of the mentioned

View Answer

Answer:Non-linear

8 What are the important block(s) required to process an input analog signal to get an output analog signal?

A A/D converter

B Digital signal processor

C D/A converter

D All of the mentioned

View Answer

Answer:All of the mentioned

9 Which of the following block is not required in digital processing of a RADAR signal?

A A/D converter

B D/A converter

C DSP

D All of the mentioned

View Answer

Answer:D/A converter

10 Which of the following wave is known as “amplitude modulated wave” of x(t)?

A C.x(t) (where C is a constant)

B x(t)+y(t)

C x(t).y(t)

D dx(t)/dt

View Answer

Answer:x(t).y(t)

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