Explore topic-wise MCQs in Signals & Systems Questions and Answers.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Signals & Systems Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the Nyquist rate and Nyquist interval for the signal f(t) = -10 sin ⁡40πt cos ⁡300πt.

A. 40 Hz, 40 sec
B. 340 Hz, 340 sec
C. 300 Hz, 300 sec
D. 340 Hz, \(\frac{1}{340}\) sec
Answer» E.
2.

Determine the Nyquist rate of the signal x(t) = 1 + cos⁡ 2000πt + sin⁡ 4000πt.

A. 2000 Hz
B. 4000 Hz
C. 1 Hz
D. 6000 Hz
Answer» C. 1 Hz
3.

The sampling frequency of a signal is Fs = 2000 samples per second. Find its Nyquist interval.

A. 0.5 sec
B. 5 msec
C. 5 sec
D. 0.5 msec
Answer» C. 5 sec
4.

Find the Nyquist rate and Nyquist interval for the signal f(t) = 1 + sinc300πt.

A. 300 Hz, 3 msec
B. 300 Hz, 3.3 msec
C. 30 Hz, 3 msec
D. 3 Hz, 3 msec
Answer» C. 30 Hz, 3 msec
5.

Find the Nyquist rate and Nyquist interval for the signal f(t) = \(\Big[\frac{sin⁡500πt}{πt}\Big]^2\).

A. 1000 Hz, 1 msec
B. 1 Hz, 1000 sec
C. 1000 Hz, 1 sec
D. 1000 Hz, 1000 sec
Answer» B. 1 Hz, 1000 sec
6.

Find the Nyquist rate and Nyquist interval for the signal f(t)=\(\frac{sin⁡500πt}{πt}\).

A. 500 Hz, 2 sec
B. 500 Hz, 2 msec
C. 2 Hz, 500 sec
D. 2 Hz, 500 msec
Answer» C. 2 Hz, 500 sec
7.

Which of the following is the process of ‘aliasing’?

A. Peaks overlapping
B. Phase overlapping
C. Amplitude overlapping
D. Spectral overlapping
Answer» E.
8.

Find the Nyquist rate and Nyquist interval of sin(2πt).

A. 2 Hz, \(\frac{1}{2}\) sec
B. \(\frac{1}{2}\) Hz, \(\frac{1}{2}\) sec
C. \(\frac{1}{2}\) Hz, 2 sec
D. 2 Hz, 2 sec
Answer» B. \(\frac{1}{2}\) Hz, \(\frac{1}{2}\) sec