Information Theory

Self information should be

• Positive

• Negative

• Positive & Negative

• None of the mentioned

The unit of average mutual information is

• Bits

• Bytes

• Bits per symbol

• Bytes per symbol

Binary Huffman coding is a

• Prefix condition code

• Suffix condition code

• Prefix & Suffix condition code

• None of the mentioned

The method of converting a word to stream of bits is called as

• Binary coding

• Source coding

• Bit coding

• Cipher coding

When X and Y are statistically independent, then I (x,y) is

• 1

• 0

• Ln 2

• Cannot be determined

The self information of random variable is

• 0

• 1

• Infinite

• Cannot be determined

Entropy of a random variable is

• 0

• 1

• Infinite

• Cannot be determined

• Xⁿ + 1

• Xⁿ - 1  

• Xⁿ/2

     

• X²ⁿ/3

For a (6, 4) block code where n = 6, k = 4 and dmin = 3, how many errors can be corrected by this code?

• 0

• 1

• 2

• 3

Answer explanation

t = (dmin - 1) / 2)

t = (3 - 1) / 2 = 1

In decoding of cyclic code, which of the following is also regarded as 'Syndrome Polynomial'?

• Generator Polynomial

• Received code word Polynomial

• Quotient Polynomial

• Remainder Polynomial