Top 150+ Solved Digital Communication MCQ Questions Answer

a. real and even function

b. non negative function

c. periodic

d. all of the mentioned

a. signal energy per unit area

b. signal energy per unit bandwidth

c. signal power per unit area

d. signal power per unit bandwidth

a. mean

b. variance

c. gaussian

d. none of the mentioned

a. by integrating

b. by truncating

c. by converting to periodic

d. none of the mentioned

a. spectral density and auto-covariance makes a fourier transform pair

b. spectral density and auto-correlatioon makes a fourier transform pair

c. spectral density and variance makes a fourier transform pair

d. none of the mentioned

a. area under magnitude of the signal

b. area under square of the magnitude of the signal

c. area under square root of magnitude of the signal

d. none of the mentioned

a. two same signals

b. two different signal

c. one signal with its delayed version

d. none of the mentioned

a. time

b. frequency

c. time difference

d. frequency difference

a. unity

b. origin

c. infinite point

d. none of the mentioned

a. energy of the signal

b. power of the signal

c. its area in frequency domain

d. none of the mentioned

a. strong peak

b. infinite peak

c. weak peak

d. none of the mentioned

a. can be eliminated

b. cannot be eliminated

c. can be avoided upto some extent

d. none of the mentioned

a. constant

b. variable

c. constant & variable

d. none of the mentioned

a. 0

b. infinity

c. 1

d. none of the mentioned

a. thermal noise

b. interference from other signals

c. thermal noise & interference from other signals

d. none of the mentioned