Digital Communications Modulation And Entropy Online Exam Quiz
Digital Communications Modulation And Entropy GK Quiz. Question and Answers related to Digital Communications Modulation And Entropy. MCQ (Multiple Choice Questions with answers about Digital Communications Modulation And Entropy
For which quantization process is used?
Options
A : Amplitude discretization
B : Time discretization
C : Amplitude & Time discretization
D : None of the mentioned
PCM includes the process of
Options
A : Amplitude discretization
B : Time discretization
C : Amplitude & Time discretization
D : None of the mentioned
Which provides more secure communication?
Options
A : CDMA
B : FDMA
C : TDMA
D : None of the mentioned
Time division multiplexing uses
Options
A : High pass filter
B : Commutator
C : High pass filter & Commutator
D : None of the mentioned
Matched filter
Options
A : Is a non linear filter
B : Produces maximum output SNR
C : All of the mentioned
D : None of the mentioned
In TDM, at the receiver end, ____ filter is used.
Options
A : Low pass
B : High pass
C : Band pass
D : Band stop
Entropy calculation returns
Options
A : Random variable
B : Deterministic number
C : Random number
D : None of the mentioned
Entropy is the measure of
Options
A : Randomness
B : Information
C : Randomness & Information
D : None of the mentioned
Entropy of N random variables is the _____ of the entropy of individual random variable.
Options
A : Sum
B : Product
C : Sum of squares
D : Average
Modulation process corresponds to ______ the amplitude, frequency or phase.
Options
A : Switching
B : Keying
C : Switching or keying
D : None of the mentioned
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