Error Detection and Correction Questions

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21.

The Hamming distance between equal codewords is _________

A

1

B

n

D

none of the above

Correct Answer: C

None.

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22.

The Hamming distance between 100 and 001 is ________

A

2

C

1

D

none of the above

Correct Answer: A

None.

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23.

In block coding, if n = 5, the maximum Hamming distance between two codewords is ________

A

2

B

3

C

5

D

none of the above

Correct Answer: C

None.

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24.

If the Hamming distance between a dataword and the corresponding codeword is three, there are _____ bits in error.

A

3

B

4

C

5

D

none of the above

Correct Answer: A

None.

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25.

The _______ of a polynomial is the highest power in the polynomial

A

range

B

degree

C

power

D

none of the above

Correct Answer: B

None.

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26.

The divisor in a cyclic code is normally called the _________

A

degree

B

generator

C

redundancy

D

none of the above

Correct Answer: B

None.

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27.

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

A

x

B

x + 1

C

1

D

none of the above

Correct Answer: B

None.

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