Can you give me question paper for GATE Electronics And Communication Engineering examination in PDF file format ?

Here I am giving you question paper for GATE Electronics And Communication Engineering examination in PDF file attached with it so you can get it easily..

Q.7 The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit
input B. The number of combinations for which the output is logic 1, is
(A) 4 (B) 6 (C) 8 (D) 10

Q.15 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

Q.36 A fair coin is tossed till a head appears for the first time. The probability that the number of
required tosses is odd, is
(A) 1/3 (B) 1/2 (C) 2/3 (D) ¾

Q.38 A binary symmetric channel (BSC) has a transition probability of 1/8. If the binary transmit symbol
X is such that P(X=0) = 9/10, then the probability of error for an optimum receiver will be
(A) 7/80 (B) 63/80 (C) 9/10 (D) 1/10

Q.50 The gate-source overlap capacitance is approximately
(A) 0.7 fF (B) 0.7 pF (C) 0.35 fF (D) 0.24 pF

Q.51 The source-body junction capacitance is approximately
(A) 2 fF (B) 7 fF (C) 2 pF (D) 7 pF