ECE Branch Exam Last Year Solved Paper

Here I am looking for the last year solved question paper of GATE – ECE Exam, can you please provide me the same???

[Kiran Chandar]

As you are looking for the last year solved question paper of GATE – ECE Exam, so here I am sharing the same with you

In a baseband communications link, frequencies upto 3500 Hz are used for signaling. Using a raised cosine pulse with 75% excess bandwidth and for no inter-symbol interference, the maximum possible signaling rate in symbols per second is
(A) 1750 (B) 2625 (C) 4000 (D) 5250 [Ans. C]

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 [Ans. B]

A source alphabet consists of N symbols with the probability of the first two symbols being the same. A source encoder increase the probability of the first symbol by a small amount ε and decreases that of the second by ε. After encoding, the entropy of the source
(A) increases (B) remains the same (C) increases only if N = 2 (D) decreases [Ans. D]







Rest of the Questions are attached in below file which is free of cost