Explore topic-wise MCQs in Signals & Systems.

This section includes 6 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.

Is the signal x(n) = u(n + 4) u(n 4) causal?

A. YES
B. NO
Answer» C.
2.

Is the following signal an energy signal?
x(t) = u(t) u(t 1)

A. YES
B. NO
Answer» B. NO
3.

For an energy signal __________

A. E=0
B. P=
C. E=
D. P=0
Answer» E.
4.

What is the even component of a discrete-time signal?

A. x<sub>e</sub> (t) = ( frac{1}{2} )[x(t) + x(-t)]
B. x<sub>e</sub> (n) = ( frac{1}{2} )[x(n) + x(-n)]
C. x<sub>e</sub> (t) = ( frac{1}{2} )[x(t) x(-t)]
D. x<sub>e</sub> (n) = ( frac{1}{2} )[x(n) x(-n)]
Answer» C. x<sub>e</sub> (t) = ( frac{1}{2} )[x(t) x(-t)]
5.

Determine the Time period of: x(t)=3 cos (20t+5)+sin (8t-3).

A. 1/10 sec
B. 1/20 sec
C. 2/5 sec
D. 2/4 sec
Answer» D. 2/4 sec
6.

A signal is a physical quantity which does not vary with ____________

A. Time
B. Space
C. Independent Variables
D. Dependent Variables
Answer» E.