GATE CSE 2026 Paper 2 — page 20

Questions 58–60 of 65. Imported answers require review unless explicitly marked reviewed.

Consider a new TCP connection between a sender and a receiver. The receiver advertised window is constant at 48 KB, the maximum segment size (MSS) is 2 KB, and the slow start threshold for TCP congestion control is 16 KB. Assume that there are no timeouts or duplicate acknowledgements. The number of rounds of transmission required for the congestion control algorithm of the TCP connection to reach the congestion avoidance phase is __________. (answer in integer)

Note: 1K=2¹⁰

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Consider the digital circuit shown below with two input lines A and B, two select lines S0 and S1, and an output line Y. The blocks Q and M represent active high 2:4 decoder and 4-to-1 multiplexer, respectively. Out of 16 possible input combinations, the number of combinations that produce Y=1 is __________. (answer in integer)

Note: One input combination is an instance of [A B S1 S0].

Diagram for Computer Science and Information Technology question 59

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Consider the following ANSI-C program.

#include<stdio.h>

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2026 · Paper 2

Question 58

Question 59

Question 60