Top 150+ Solved Communication Engineering MCQ Questions Answer
Q. Which decoding method involves the evaluation by means of Fano’s algorithm?
a. maximum likelihood decoding
b. sequential decoding
c. maximum a priori
d. minimum mean square
Q. In Viterbi’s algorithm, the selected paths are regarded as
a. survivors
b. defenders
c. destroyers
d. carriers
Q. The properties used for pseudorandom sequence are
a. balance
b. run
c. correlation
d. all of the mentioned
Q. A linear feedback shift register consists of
a. feedback path
b. modulo 2 adder
c. four stage register
d. all of the mentioned
Q. The sequences produced by shift register depends on
a. number of stages
b. feedback tap connections
c. initial conditions
d. all of the mentioned
Q. For maximal length sequence, the sequence repetition clock pulses p is given by
a. 2n + 1
b. 2n -1
c. 2n
d. none of the mentioned
Q. Which method is better?
a. to share same bandwidth
b. to share different bandwidth
c. to share same & different bandwidth
d. none of the mentioned
Q. Pulse jammer consists of
a. pulse modulated excess band noise
b. pulse modulated band-limited noise
c. pulse width modulated excess band noise
d. pulse width modulated band-limited noise
Q. Which are the design options for anti jam communicator?
a. time diversity
b. frequency diversity
c. special discrimination
d. all of the mentioned
Q. The ratio (J/S)reqd gives the measure of
a. vulnerability to interference
b. invulnerability to interference
c. all of the mentioned
d. none of the mentioned
Q. The system should have
a. larger (j/s)reqd
b. greater system’s noise rejection capability
c. larger (j/s)reqd & greater system’s noise rejection capability
d. none of the mentioned