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.

The convolution of x(n)={1,2,3,1} and h(n)={1,2,1,-1}, origin at 2, is?

A. {1,4,8,8,3,-2,-1}, origin at 4
B. {1,4,8,8,3,-2,1}, origin at 4
C. {1,3,8,8,3,-2,-1}, origin at 4
D. {1,4,8,3,-2,-1}, origin at 4
Answer» B. {1,4,8,8,3,-2,1}, origin at 4
Discussion
2.

The sample of x(n)={1,2,3,1} and h(n)={1,2,1,-1}, origin at 2, is 7.

A. True
B. False
Answer» B. False
Discussion
3.

How can a parallel connected discrete time system respresented?

A. y[n] = x[n] + t[n] + r[n]
B. y[n] = x[n] * t[n] * r[n]
C. y[n] = x[n] * (t[n] + r[n])
D. y[n] = x[n] + t[n] * r[n]
Answer» C. y[n] = x[n] * (t[n] + r[n])
Discussion
4.

What is this property of discrete time convolution?
x[n]*h[n]=y[n], then x[n]*h[n-n0] = x[n-n0]*h[n] = y[n-n0]

A. Distributive
B. Commutative
C. Sym property
D. Shifting property
Answer» E.
Discussion
5.

What is the distributive property of a discrete time convolution?

A. [x<sub>1</sub>(n) + x<sub>2</sub>(n)]*h(n) = x<sub>1</sub>(n)* [x<sub>2</sub>(n) + h(n)]
B. [x<sub>1</sub>(n) + x<sub>2</sub>(n)] = x<sub>1</sub>(n)* [x<sub>2</sub>(n) + h(n)]
C. [x<sub>1</sub>(n) + x<sub>2</sub>(n)]*h(n) = x<sub>1</sub>(n)* h(n)+ x<sub>2</sub>(n) * h(n)
D. [x<sub>1</sub>(n) + x<sub>2</sub>(n)]*h(n) = x<sub>1</sub>(n)* h(n)* x<sub>2</sub>(n) * h(n)
Answer» D. [x<sub>1</sub>(n) + x<sub>2</sub>(n)]*h(n) = x<sub>1</sub>(n)* h(n)* x<sub>2</sub>(n) * h(n)
Discussion