Digital Communications Structured Sequence Online Exam Quiz
Digital Communications Structured Sequence GK Quiz. Question and Answers related to Digital Communications Structured Sequence. MCQ (Multiple Choice Questions with answers about Digital Communications Structured Sequence
Structured sequences are
Options
A : Block codes
B : Convolutional codes
C : Turbo codes
D : All of the mentioned
The probability of message error is written as
Options
A : Block error
B : Word error
C : Block & Word error
D : None of the mentioned
The ratio of redundant bits to data bits is called as
Options
A : Code rate
B : Redundancy rate
C : Symbol rate
D : Transmission rate
The capacity per cell is ______ Eb/N0.
Options
A : Directly proportional
B : Inversely proportional
C : Double the
D : Half the
If the parity bit takes value one then the summation of code-word gives
Options
A : Even result
B : Odd result
C : Even & Odd result
D : None of the mentioned
The summation operation is performed using _____ logical operation.
Options
A : EX-OR
B : AND
C : OR
D : EX-NOR
In Gaussian channel demodulator ______ decision is made.
Options
A : Hard
B : Soft
C : Hard & Soft
D : None of the mentioned
In binary symmetric channel, in the demodulator _____ decision is made.
Options
A : Hard
B : Soft
C : Hard & Soft
D : None of the mentioned
In a real time communication system addition of redundant bits leads to
Options
A : More bandwidth requirement
B : Faster rate of transmission
C : More bandwidth requirement & Faster rate of transmission
D : None of the mentioned
Coding gain is defined as
Options
A : Reduction in Eb/N0
B : Increase in Eb/N0
C : Same as Eb/N0
D : None of the mentioned
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