Question 15 on communication from GATE (Graduate Aptitude Test in Engineering) 2012 Electronics and Communication Engineering paper.
Q15. A source alphabet consists of N symbols with the probability of the first two symbols being the same. A source encoder increases the probability of the first symbol by a small amount 
and decreases that of the second by . After encoding, the entropy of the source
(A) increases
(B) remains the same
(C) increases only if N=2
(D) decreases
