Coding and decoding of Information - MCQs with answers

Coding and decoding of Information - MCQs with answers

Q1. Orthogonality of two codes means

a) The integrated product of two different code words is zero
b) The integrated product of two different code words is one
c) The integrated product of two same code words is zero
d) None of the above

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Q2. The Golay code (23,12) is a codeword of length 23 which may correct

a) 2 errors
b) 3 errors
c) 5 errors
d) 8 errors

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Q3. The minimum distance for unextended Golay code is

a) 8
b) 9
c) 7
d) 6

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Q4. The prefix code is also known as

a) Instantaneous code
b) Block code
c) Convolutional code
d) Parity bit

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Q5. Run Length Encoding is used for

a) Reducing the repeated string of characters
b) Bit error correction
c) Correction of error in multiple bits
d) All of the above

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