Explore topic-wise MCQs in Signals & Systems.

This section includes 10 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.

How are discrete unit impulse functions and discrete time unit step functions related?

A. They are inverse of each other
B. (n)=u(n)-u(n-1)
C. (n)=u(n)*2
D. Integration of unit step function gives unit step function.
Answer» C. (n)=u(n)*2
2.

What is the area under a doublet function?

A. Unity
B. Negative
C. Zero
D. Positive
Answer» D. Positive
3.

What is a doublet function?

A. Branch of an impulse function
B. The output of an impulse function
C. The first derivative of an impulse function
D. Any continuous time impulse function has another name that is doublet function
Answer» D. Any continuous time impulse function has another name that is doublet function
4.

Multiplication of a signal with a Unit Impulse function gives the value of the signal at which the impulse is located.

A. True
B. False
Answer» B. False
5.

Impulse function is an odd function.

A. True
B. False
Answer» C.
6.

What properties does a Continuous time unit Impulse function follow?

A. Shifting, sampling, differentiation, multiplication
B. Multiplication, sampling, shifting
C. Shifting, multiplication, differentiation
D. Sampling only
Answer» B. Multiplication, sampling, shifting
7.

What are the singularity functions?

A. Derivatives and integrals of unit impulse functions
B. Derivatives of a unit impulse function
C. Integrals of an impulse function
D. Sum of successive impulse function
Answer» B. Derivatives of a unit impulse function
8.

Why is the impulse duration important?

A. It is zero
B. It changes with time
C. It approaches zero
D. It depends on the situation
Answer» D. It depends on the situation
9.

What is the area of a Unit Impulse function?

A. Zero
B. Half of Unity
C. Depends on the function
D. Unity
Answer» E.
10.

What is the other name of a Continuous Time Unit Impulse Function?

A. Dirac delta function
B. Unit function
C. Area function
D. Direct delta function
Answer» B. Unit function