independently, what is the average bit rate of a most efficient source encoder ?
A:-4200 bps
B:-4000 bps
C:-6200 bps
D:-5600 bps
Correct Answer:- Option-D

Question66:-What is the average information rate for a Discrete Memoryless Source
(DMS) that emits four symbols {2:23 and s.} with code-length 1, 2, 3 and 3
respectively, with probabilities (=) =0.6.7(22) = 0.2.7(23) = 0.1 गत (24) 0.1 ۶

A:-2 bit/sym

B:-1.6 bit/sym

C:-1.9 bit/sym

D:-2.1 bit/sym

Correct Answer:- Option-B

110
25011

Question67:-Given a parity matrix, (1 ° 1 for a (6, 3) hamming code. What is the
systematic linear-block code generated for the message [0 1 1] ?

A:-[011111]
B:-[111110]
C:-[011110]
D:-[110110]
Correct Answer:- Option-C

Question68:-If a 16-QAM Gray-coded constellation, with signal set {+1, +3}, maps
data [0 0 0 0] to symbol {-3 + j3}; then, the symbol for [1 1 0 0] can be

A:-{-3 + j}

B:-{-1 + j3}

C:-{3 + j3}

D:-{1 + j3}

Correct Answer:- Option-D

Question69:-The bit rate of a digital communication system is R kbits/s. The
modulation used is 64-QAM. The minimum bandwidth required for ISI free
transmission is

A:-R/64 Hz
B:-R/6 KHz
C:-R/8 KHz
D:-R/4 KHz
Correct Answer:- Option-B

Question70:-Which one of the following statements about Differential Pulse Code