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NIELIT 2020 : Mini Mock -3

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Question 1

What is private cloud?

Question 2

The phase of the SDLC in which an information system is systematically repaired and improved is referred to as_

Question 3

Which of the following is a form of virus explicitly designed to hide itself from detection by antivirus software.

Question 4

Which of the following is NOT true of deadlock prevention and deadlock avoidance schemes?

Question 5

In dining philosopher problem with 5 philosophers and 6 chopsticks

Question 6

Which of the following is true?

Question 7

In the indexed scheme of blocks to a file, the maximum possible size of the file depends on:

Question 8

For a database relation R (a, b, c, d) where the domains of a, b, c and d only include atomic values, only the following functional dependency and those that can be inferred from them hold:

a c , b d

The relation is in:

Question 9

What will be the equivalent hexadecimal code for (10111101100)2?

Question 10

When two numbers are added in excess-3 code and the sum is less than 9, then in order to get the correct answer it is necessary to

Question 11

The number of digit 1 present in the binary representation of

3 × 512 + 7 × 64 + 5 × 8 + 3

Question 12

A complete binary tree with the property that the value at each node is as least as large as the values at its children is known as

Question 13

How many distinct binary trees can be constructed with three nodes?

Question 14

The keyword used to transfer control from a function back to the calling function is:

Question 15

What is the time complexity of following code:

int a = 0;

for (i = 0; i < N; i++)


for (j = N; j > i; j--)


a = a + i + j;



Question 16

Which of the following sorting algorithm does not use recursion?

Question 17

If x is the mean of data 3, x, 2 and 4, then the mode is _________

Question 18

The median for the following data is

Question 19

Two trains for Mumbai leave Delhi at 6 am and 6:45 am and travel at 100 kmph and 136 kmph respectively. Approx. how many km from Delhi will the two trains be together?

Question 20

If in the English alphabet, all the letters at odd-numbered positions are written in serial order from left to right followed by the letters at even-numbered positions written in reverse order, which letter will be sixth to the left of seventeenth letter from left

Question 21

Irvin sold a book at a profit of 12%. If Irvin had sold it for ` 18 more, then 18% would have been gained. Find the cost price.

Question 22

When the sum of all possible two-digit numbers formed from three different one-digit natural numbers are divided by sum of the original three numbers, the result is:

Question 23

A, B, N, C, D, O, E, F, P, ?, ?, ?

Question 24

Find the missing series:


Question 25

If instead of 365 days, a year was of 400 days and a leap year was of 450 days, then what will be the day on 1st day of year 2031 if 1st day of year 2021 is a Thursday given that a week still has 7 days.

Question 26

A boy runs opposite to that of train at a speed of 20 km/hr. If the relative speed between train and the boy running in the opposite direction is 50 km/hr. What is the speed of the train, if it takes 20 seconds to cross the boy when he is at rest?

Question 27

The 30 members of a club decided to play a badminton singles tournament. Every time a member loses a game he is out of the tournament. There are no ties. What is the minimum number of matches that must be played to determine the winner?

Question 28

Among five boys. Vasant is taller than Manohar, but not as tall as Raju. Jayant is taller than Dutta, but shorter than Manohar. Who is the tallest in the group?

Question 29

Direction: Study the following information’s carefully and answer the questions given below:

(i) Six persons A, B, C, D, E and F are taking their breakfast in two groups facing one another.
(ii) D and A are not in the same row.
(iii) E is to he left F and faces C
(iv) B is in the middle of a group.
(v) D is to he left of B
Who faces B?

Question 30

Direction: In each of the following questions, a series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank space.
6, 25, ________ 123, 214, 341.
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