Information Theory And Coding - Study Mode
[#96] An 8 level encoding scheme is used in a PCM system of 10 kHz channel BW. The channel capacity is
Correct Answer
(B) 60 kbps
[#97] A zero memory source emits six messages with probabilities 0.3, 0.25, 0.15, 0.12, 0.1 and 0.08. If binary Huffman coding is used, what will be the average code length?
Correct Answer
(A) 2.45 bits
[#98] Block codes are . . . . . . . . codes that enable a limited number of errors to be detected and corrected without retransmission
Correct Answer
(B) Forward error correction
[#99] Consider the entropy of a random variable X is 16 bits and for each value of X, a deterministic function Y(X) produces a diverse value. Then the entropy of Y is . . . . . . . . bits.
Correct Answer
(B) 16
[#100] The Hartley shannon theorem sets a limit on the
Correct Answer
(B) Maximum capacity of a channel with a given noise level