Explore topic-wise MCQs in Signals Systems.

This section includes 5 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_OF_X(T)_=_EXP(3T)U(-T),_AND_H(T)_=_U(T-3)?$

A. 0.33exp(2t-6) u(-t+3) + 0.5u(t-3)
B. 0.5exp(4t-3) u(-t+3) + 0.8u(t-3)
C. 0.33exp(2t-6) u(-t+3) + 0.5u(t-6)
D. 0.33exp(3t-6) u(-t+3) + 0.33u(t-3)
Answer» D. 0.33exp(3t-6) u(-t+3) + 0.33u(t-3)
Discussion
2.

Find_the_value_of_d(t-34)*x(t+56),_d(t)_being_the_delta_function.$

A. x(t + 56)
B. x(t + 32)
C. x(t + 22)
D. x(t – 22)
Answer» E.
Discussion
3.

Find the convolution of x(t) = exp(2t)u(-t), and h(t) = u(t-3)

A. 0.5exp(2t-6) u(-t+3) + 0.5u(t-3)
B. 0.5exp(2t-3) u(-t+3) + 0.8u(t-3)
C. 0.5exp(2t-6) u(-t+3) + 0.5u(t-6)
D. 0.5exp(2t-6) u(-t+3) + 0.8u(t-3)
Answer» E.
Discussion
4.

Evaluate (exp(-at)u(t))*u(t), u(t) being the heaviside function.

A. (1-exp(at)) u(t)/a
B. (1-exp(at)) u(-t)/a
C. (1-exp(-at)) u(t)/a
D. (1+exp(-at)) u(t)/a
Answer» C. (1-exp(-at)) u(t)/a
Discussion
5.

Find the value of h[n]*d[n-1], d[n] being the delta function.

A. h[n-2].
B. h[n].
C. h[n-1].
D. h[n+1].
Answer» D. h[n+1].
Discussion