Digital Communications Error Detection And Correction 1 Online Exam Quiz
Digital Communications Error Detection And Correction 1 GK Quiz. Question and Answers related to Digital Communications Error Detection And Correction 1. MCQ (Multiple Choice Questions with answers about Digital Communications Error Detection And Correction 1
In synchronous transmission, receiver must stay synchronous for
Options
A : 4 bits
B : 8 bits
C : 9 bits
D : 16 bits
Which has continuous transmission?
Options
A : Asynchronous
B : Synchronous
C : Asynchronous & Synchronous
D : None of the mentioned
Which requires bit transitions?
Options
A : Asynchronous
B : Synchronous
C : Asynchronous & Synchronous
D : None of the mentioned
How error detection and correction is done?
Options
A : By passing it through equalizer
B : By passing it through filter
C : By amplifying it
D : By adding redundancy bits
Which can be used as an intermediate device in between transmitter entity and receiver entity?
Options
A : IP router
B : Microwave router
C : Telephone switch
D : All of the mentioned
CRC uses
Options
A : Multiplication
B : Binary division
C : Multiplication & Binary division
D : None of the mentioned
In layering, n layers provide service to
Options
A : n layer
B : n-1 layer
C : n+1 layer
D : none of the mentioned
Which can detect two bit errors?
Options
A : Parity check
B : Cyclic redundancy check
C : Parity & Cyclic redundancy check
D : None of the mentioned
Which is more efficient?
Options
A : Parity check
B : Cyclic redundancy check
C : Parity & Cyclic redundancy check
D : None of the mentioned
Which has comparatively high frequency component?
Options
A : Sine wave
B : Cosine wave
C : Square wave
D : None of the mentioned
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