Explore topic-wise MCQs in Digital Signal Processing Questions and Answers.

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

1.

Let x1(t) and x2(t) be periodic signals with fundamental periods T1 and T2 respectively. Then the fundamental period of x(t)=x1(t)+x2(t) is?

A. LCM of T1 and T2
B. HCF of T1and T2
C. Product of T1 and T2
D. Ratio of T1 to T2
Answer» B. HCF of T1and T2
Discussion
2.

Let x1(t) and x2(t) be periodic signals with fundamental periods T1 and T2 respectively. Which of the following must be a rational number for x(t)=x1(t)+x2(t) to be periodic?

A. T1+T2
B. T1-T2
C. T1/T2
D. T1*T2
Answer» D. T1*T2
Discussion
3.

Which of the following is the odd component of the signal x(t)=e(jt)?

A. cost
B. j*sint
C. j*cost
D. sint
Answer» C. j*cost
Discussion
4.

The deflection voltage of an oscilloscope is a ‘deterministic’ signal.

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