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MCQ

Q.

In block coding, if k =2 and n =3, we have _______ invalid codewords

A

8

B

4

C

2

D

none of the above

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MCQ

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In ________ error correction, the receiver asks the sender to send the data again.

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backward

B

retransmission

C

forward

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. A generator that contains a factor of ____ can detect all odd-numbered errors.

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3.

Which error detection method consists of just one redundant bit per data unit?

A

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C

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A burst error means that two or more bits in the data unit have changed.

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double-bit

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burst

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single-bit

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