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(b) Single error correcting and double error detecting code
(c) double error detecting code
(d) Double error correcting code
4. In a Linear Block code
(a) the encoder satisfies superposition principle
(b) the communication channel is a linear system
(c) parity bits of the code word are the linear combination of the message bits
(d) the received power varies linearly with that of the transmitted power
5. The fundamental limit on the average number of bits/source symbol is
(a) Channel capacity
(b) Information content of the message
(c) Mutual Information
(d) Entropy of the source
6. Which of the following involves the effect of the communication channel?
(a) Entropy of the source
(b) Information content of a message
(c) Mutual information
(d) information rate of the source
7. Whichofthefollowingprovidesthefacilitytorecognizetheerroratthereceiver?
(a) Shanon -Fano Encoding
(b) differential encoding
(c) Parity Check codes
(d) Huffman encoding
8. A system has a bandwidth of 3 KHz and an S/N ratio of 29dB at the input of the receiver.
If the bandwidth of
The channel gets doubled, then
(a) the corresponding S/N ratio gets doubled