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HAL CS Mock Test 2

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Question 1

What was the real name of Bahadur Shah-I?

Question 2

“AADHAR” is a programme _________?

Question 3

When labour supply curve bends backward

Question 4

The book ‘Cricket My Style’ has been written by

Question 5

Which of the following country is known as the "Cockpit of Europe" ?

Question 6

As per the guidelines of United Nations Environment Programme (UNEP), arrange the following pollutants in order of their priority (highest to lowest)
1) Petroleum hydrocarbons
2) DDT
3) Suspended particles
4) Mercury compounds
5) Arsenic

Question 7

_____ is a process in which impure water is boiled and the steam is collected and condensed in a separate container, leaving many of the solid contaminants behind.

Question 8

Positive and Negative Electric charges were discovered by?

Question 9

Direction: In the question given below the parts of the sentence which are highlighted are grammatically correct. Choose that part of the sentence which is not highlighted and is grammatically incorrect. Ensure that the meaning of the statement remains unchanged.
GDP is really not a comprehensive measure of economic development, because the primary method of measuring GDP is based on absurd calculations that include some values and completely, rather arbitrarily, excludes any other consideration of distribution of income.

Question 10

Direction: In the following question, a sentence with four highlighted words is given. The words are denoted by (A), (B), (C) and (D). One of these words may be incorrect or inappropriate in the given context. Find the inappropriate or wrongly spelt word.
When it’s freezing (A) outside, few things can be compare (B) to the comfort (C) of your own home(D).

Question 11

Select the most appropriate option to fill in the blank.

_______ he became a minister, he didn’t allow any of his relatives to live with him.

Question 12

Given below are four jumbled sentences. Pick the option that gives their correct order.
P. But a great deal of food is still carried on the heads of women and the backs of animals.

Q. Over the desert sands, camels carry loads of salt, dates and cheese from one oasis to another.

R. Trucks, trains, planes and refrigerator ships are new ways of carrying food.

S. In many countries, women carry food to market on their heads.

Question 13

Identify the best way to improve the underlined part of the given sentence. If there is no improvement required, select ‘no Improvement’.
The British dominion all over Africa and Asia collapsed in the first half of the twentieth century.

Question 14

Select the related number from the given alternatives.

24 : 60 : : 120 : ?

Question 15

If 144 * 2 = 9, 312 * 3 = 5, then what should be 625 * 5 be?

Question 16

A woman pointing to a person said, “He is the son of my father’s only daughter.” How is the woman related to the person?

Question 17

From the given answer figures select the one in which of the question figure is hidden/embedded.

Question 18

Direction: Study the data carefully and answer the questions accordingly.

Six people F, G, H, J, K, and L are there of different weights. The weight of L is less than 45kg. The one, who is the second heaviest, is 72kg. F is lighter than J and heavier than G, who is not the lightest. The one, who is the second lightest, is 48kg. J is lighter than K. Only one person is heavier than K.

Who is the heaviest amongst all?

Question 19

Which of the following entities has organized the first ever Startup India Innovation Week from 10th to 16th January 2022?

Question 20

What is the carrying capacity of the India's first indigenous aircraft carrier (IAC) Vikrant?

Question 21

Which of the following is used in Syntax analysis?

Question 22

What does CHS stand for?

Question 23

The sizes of source and destination port address in TCP header are ___________ respectively.

Question 24

Which of the following are not the operations in relational model?

Question 25

What is the output of following code-

Question 26

Which of the following logic expression is incorrect, given:

x = 1, y= 0 and z=1

Question 27

In case of direct mapping of cache, the mapping is expressed as _______

Question 28

A programmer, by mistakes writes a program to multiply two numbers instead of dividing them, how can this error be detected?

Question 29

Chromatic number of a star graph with n vertices (n>=2) is ___________.

Question 30

The maximum degree of any node in a simple graph with n vertices is?

Question 31

If bandwidth of the network is 1 GBps, how many extra bits will have to be appended in the Options field so that wrap around time becomes equal to the life time of segment?

Question 32

In terms of speed of control design, choose the correct order of control unit.

Question 33

Minimum number of two input gates [AND, OR, NOT, NAND, NOR gates can be used] needed to realize one two input XOR gate is_________

Question 34

Which of the following is not feature of compiler?

Question 35

A logical schema ___________.

Question 36

What is the output of following code-

Question 37

Consider the following three claims

  1. (n + k)m = Θ(nm), where k and m are constants
  2. 2n + 1 = O(2n)
  3. 22n + 1 = O(2n)

Which of these claims are correct ?

Question 38

The chromatic number of the following graph is __________.


Question 39

Communication offered by TCP is ________.

Question 40

The set of all possible values of data item is called:

Question 41

Predict the output of the below program:

Question 42

The minimum number of NAND and NOR gates required to realise EX-OR gate:

Question 43

Suppose that a process is in “Blocked” state waiting for some I/O service. When the service is completed, it goes to the :

Question 44

The running time of an algorithm is represented by the following recurrence relation:

T(n)=3 T(n/4)+n; T(0)=1;T(1)=1

Question 45

Consider the following transition table of an FA

What is true for the given FA?

Question 46

Consider the following statements:

(i) Any Dynamic Programming algorithm with n subproblems will run in O(n) time.

(ii) Dynamic programming solves a problem faster than greedy method.

(iii) Unlike greedy algorithms, dynamic programming methods always provide correct/optimal solution.

Which of the above statement/s is/are correct?

Question 47

To avoid deadlock ____________

Question 48

Language A and B are defined as follows:
A =
B =
Which among the following options represents ?

Question 49

Which of the following statements are true?

I. Shortest remaining time first scheduling may cause starvation

II. Pre-emptive scheduling may cause starvation

III. Round robin is better than FCFS in terms of response time

Question 50

What can be said about a regular language L over {a} whose minimal finite state automation has two states?
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