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NIELIT STQC 2021 Quiz-3
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Question 1
The mean and variance of a binomial distribution are 8, 2 respectively. Find n and p
Question 2
If the probability of an event is , then
Question 3
Given the data set:
The median of the above data set is:
Question 4
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
Question 5
A partial ordered relation is transitive, reflexive and
Question 6
Consider three CPU-intensive processes, which require 10, 20 and 30 time units and arrive at times 0, 2 and 6, respectively. How many context switches are needed if the operating system implements a shortest remaining time first scheduling algorithm? Do not count the context switches at time zero and at the end.
Question 7
Ring counter is analogous to
Question 8
Which of the following is operator precedence grammar
1) E → E + E |E * E | id
2) S → A+B; A → a; B → b | ϵ
Question 9
What is the correct way to round off x, a float, to an int value
Question 10
Which of the following is correct regarding the below C-code?
int main()
{
int n;
for (n = 9; n != 0; n--)
printf("%d", n--);
}
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GATE & PSU CSGeneralJun 18GATE & PSU CS