ISRO Scientist or Engineer Computer Science 2018

Instructions

For the following questions answer them individually

Question 1

The difference between a named pipe and a regular file in Unix is that

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Question 2

A class of 30 students occupy a classroom containing 5 rows of seats, with 8 seats in each row. If the students seat themselves at random, the probability that the sixth seat in the fifth row will be empty is

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Question 3

The domain ofthe function $$\log(\log \sin(x))$$ is

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Question 4

The following paradigm can be usedto find the solution of the problem in minimum time:
Given a set of non-negative integer, and a value K, determine if there is a subset of the given set with sum equalto K:

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Question 5

(G, *) is an abelian group. Then

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Question 6

Consider the following C code segment:
#include <stdio.h>
main()
{
int i, j, x;
scanf("%d", &x);
i = 1; j = 1;
while(1 < 10){
j = j * i;
i = i + 1;
if(i == x)break;
}

}
For the program fragment above, which of the following statements about the variables i and j must be true after execution of this program? [ !(exclamation) sign denotes factorial in the answer ]

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Question 7

A computer uses ternary system instead of the traditional binary system. An n bit string in the binary system will occupy

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Question 8

Which of the following is application of Breath First Search on the graph?

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Question 9

Micro program is

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Question 10

Given twosorted list of size m and n respectively. The number of comparisons needed the worst case by the mergesort algorithm will be

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