Explore topic-wise MCQs in Digital Signal Processing.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Signal Processing knowledge and support exam preparation. Choose a topic below to get started.

1.

The total number of complex additions required to compute N point DFT by radix-2 FFT is?

A. (N/2)log<sub>2</sub>N
B. Nlog<sub>2</sub>N
C. (N/2)logN
D. None of the mentioned
Answer» C. (N/2)logN
2.

The total number of complex multiplications required to compute N point DFT by radix-2 FFT is?

A. (N/2)log<sub>2</sub>N
B. Nlog<sub>2</sub>N
C. (N/2)logN
D. None of the mentioned
Answer» B. Nlog<sub>2</sub>N
3.

If we split the N point data sequence into two N/2 point data sequences f1(n) and f2(n) corresponding to the even numbered and odd numbered samples of x(n), then such an FFT algorithm is known as decimation-in-time algorithm.

A. True
B. False
Answer» B. False