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8 The fundamental limit on the average number of bits/source symbol is
(a) Mutual Information
(b) Channel capacity
(c) Information content of the message
(d) Entropy of the source
9. A source is transmitting four messages with equal probability. Then for optimum Source
coding efficiency,
(a) necessarily, variable length coding schemes should be used
(b) Variable length coding schemes need not necessarily be used
(c) Convolutional codes should be used
(d) Fixed length coding schemes should not be used
10. If a memory ess source of information rate R is connected to a channel with a channel
capacity C, then on which of the following statements, the channel coding for the output of
the source is based?
(a) Minimum number of bits required to encode the output of the source is its entropy
(b) R must be less than or equal to C
(c) R must be greater than or equal to C
(d) R must be exactly equal to C
Answers
1.C
2.C
3.C
4.D
5.B
6.C
7.B
8.D
9.B