Top 150+ Solved Communication Engineering MCQ Questions Answer
Q. The primary advantage of this method is
a. redistribution of spectral density
b. to favor low frequencies
c. redistribution of spectral density & to favor low frequencies
d. none of the mentioned
Q. Source encoding procedure does
a. sampling
b. quantization
c. compression
d. all of the mentioned
Q. The range of amplitude difference gives the value of
a. width
b. distortion
c. timing jitter
d. noise margin
Q. The index value n, in transversal filter can be used as.
a. time offset
b. filter coefficient identifier
c. time offset & filter coefficient identifier
d. none of the mentioned
Q. The over-determined set of equations can be solved using
a. zero forcing
b. minimum mean square error
c. zero forcing & minimum mean square error
d. none of the mentioned
Q. If the filter’s tap weight remains fixed during transmission of data, then the equalization is called as
a. preset equalization
b. adaptive equalization
c. fixed equalization
d. none of the mentioned
Q. Equalization method which is done by tracking a slowly time varying channel response is
a. preset equalization
b. adaptive equalization
c. variable equalization
d. none of the mentioned
Q. Preamble is used for
a. detect start of transmission
b. to set automatic gain control
c. to align internal clocks
d. all of the mentioned
Q. The disadvantage of preset equalizer is that
a. it doesnot requires initial training pulse
b. time varying channel degrades the performance of the system
c. all of the mentioned
d. none of the mentioned
Q. A Gaussian distribution into the non linear envelope detector yields
a. rayleigh distribution
b. normal distribution
c. poisson distribution
d. binary distribution