Explore topic-wise MCQs in Signals Systems.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Signals Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the convolution sum of sequences x1[n] = (1, 2, 3) and x2[n] = (2, 1, 4).

A. {2, 5, 12, 11, 12}
B. {2, 12, 5, 11, 12}
C. {2, 11, 5, 12, 12}
D. {-2, 5,-12, 11, 12}
Answer» B. {2, 12, 5, 11, 12}
Discussion
2.

Weighted superposition of time-shifted impulse responses is termed as _______ for discrete-time signals.

A. Convolution integral
B. Convolution multiple
C. Convolution sum
D. Convolution
Answer» D. Convolution
Discussion
3.

Which of the following is correct regarding to impulse signal?

A. x[n]δ[n] = x[0]δ[n]
B. x[n]δ[n] = δ[n]
C. x[n]δ[n] = x[n]
D. x[n]δ[n] = x[0]
Answer» B. x[n]‚âà√≠¬¨‚Ä¢[n] = ‚âà√≠¬¨‚Ä¢[n]
Discussion
4.

Impulse response is the output of ______ system due to impulse input applied at time=0?

A. Linear
B. Time varying
C. Time invariant
D. Linear and time invariant
Answer» E.
Discussion