Explore topic-wise MCQs in Signals Systems.

This section includes 3 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.

Digital filters have _____ and are best suited for _____ phase

A. Less accuracy, linear
B. High accuracy, linear
C. Low accuracy, non-linear
D. High accuracy, non-linear
Answer» C. Low accuracy, non-linear
Discussion
2.

Consider two 16-point sequences x[n] and h[n]. Let the linear convolution of x[n] and h[n] be denoted by y[n], while z[n] denotes the 16-point inverse discrete Fourier transform (IDFT) of the product of the 16-point DFTs of x[n] and h[n]. The value(s) of k for which z[k] = y[k] is/are

A. k = 0, 1, 2, ..., 15
B. k = 0 and k = 15
C. k = 15
D. k = 0
Answer» D. k = 0
Discussion
3.

A N-point discrete time sequence is passed through a N-point DFT calculator and its output is passed through another N-point DFT calculator. The output of the second calculator is

A. the sequence same that of output
B. the time reversed version of the input sequence
C. unit time delay version of the input sequence
D. accumulated version of the input sequence
Answer» C. unit time delay version of the input sequence
Discussion