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Error Detection and Correction - Digital Communications MCQs

Error Detection and Correction MCQs : Here you will find MCQ Questions related to "Error Detection and Correction" in Digital Communication. These Error Detection and Correction MCQ Questions Will help you to improve your Digital Communication knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.

Question 1

In layering, n layers provide service to

A. n+1 layer
B. n layer
C. n-1 layer
D. n*n layer

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Question 2

Which has comparatively high frequency component?

A. Sine wave
B. Cosine wave
C. Square wave
D. None of the above

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Question 3

Synchronous has?

A. sporadic transmission
B. continuous transmission
C. Both A and B
D. None of the above

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Question 4

In synchronous transmission, receiver must stay synchronous for?

A. 4 bits
B. 8 bits
C. 9 bits
D. 16 bits

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Question 5

Which can detect two bit errors?

A. Parity check
B. Cyclic redundancy check
C. Parity & Cyclic redundancy check
D. None of the above

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Question 6

Error detection needs __________ of data.

A. re-sending
B. sending
C. receiving
D. re-receiving

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Question 7

Error detection is ____ affected by noise.

A. more
B. depends on noise
C. less
D. Can not say

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Question 8

____________ is used to provide privacy for the information.

A. Compression coding
B. Source coding
C. M-ary coding
D. Cipher coding

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Question 9

Digital signals are easy for

A. Storage
B. Handling
C. Time dilation
D. All of the above

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Question 10

Convolutional codes operates on a continuous stream of data.

C. Can be true or false
D. Can not say

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