Diagnostic Computing Entry Tests

The Computing Diagnostic Tests by PLS Academy are designed to help students evaluate their preparation for entry tests in Computer Science and related fields, including NUST NET, FAST, ECAT, and NTS exams. Covering essential topics like programming, algorithms, data structures, computer fundamentals, and logical reasoning, these tests help students identify strengths, weaknesses, and areas that need improvement. Detailed feedback after each test allows aspirants to refine their problem-solving skills, focus on high-yield topics, and plan targeted revision. Regular practice of computing diagnostic tests enables students to track progress, enhance speed and accuracy, and optimize their preparation strategy for top performance in engineering and computing entry tests.

105

Created by PLS Academy

Computing Diagnostic Test

Topic: Computing Diagnostic Test

Quiz Contains: 30 MCQs

Mathematics = 10

Physics = 7

Computer Sciences = 7

English = 6

Time Duration: 30 Minutes

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Provide the Following to Get Started!

1 / 30

The time required for the fetching and execution of one simple machine instruction is

Delay time

CPU cycle

Real time

Seek time

2 / 30

Find an error in the following sentence.

Elimination Tool

A) We are trying

B) To locate the

C) Historical city for

D) The past two years.

3 / 30

Find the derivative of 3^(2x).

2ln(3) × 3^(2x)

In(3) × 3^(2x)

2x × 3^(2x)

In(2) × 3^(2x)

4 / 30

In the expansion of (3x-1/x²)¹⁰,the 5^th term from the end is:

16486/x^5

13486/x^5

17010/x^5

None of these

5 / 30

Pⁿ_r=

n!/(n+r)!

n/(n-r)

n!/(n+1)

n!(n-r)!

6 / 30

if f(x=1/x)=x, then f(x) is equal to

1/x+1

1/x-1

x/x+1

7 / 30

tan and cos are negative in which quadrant?

III

8 / 30

In order to achieve accuracy, the slide wire of a potentiometer should be:

Elimination Tool

A) As long as possible

B) As short as possible

C) Neither too small neither too large

D) Very thick

9 / 30

Answer to the passage:

A four-person crew from Classic Colors is painting Mr Ahmed’s house. Ahmed is painting the front of the house. Maira is in the alley behind the house painting the back. Ayesha is painting the window frames on the north side, Hamza is on the south. If Ahmed switches places with Ayesha, and Ayesha then switches places with Hamza, where is Hamza?

in the alley behind the house

on the north side of the house

in front of the house

on the south side of the house

10 / 30

SPOT THE ERROR:

If I went to the police, they will want me to describe him.

Went

The

Will

Describe

11 / 30

In the given figure, the average translational kinetic energy per molecule of an ideal gas depends upon its

Elimination Tool

A) volume

B) pressure

C) molecule type

D) absolute temprature

12 / 30

The extraneous root of the equation 2+√x+2=x is:

x=1

x=2

x= -2

None of these

13 / 30

What is the strength of the magnetic field known as?

Elimination Tool

A) Flux

B) Density

C) Magnetic strength

D) Magnetic flux density

14 / 30

An electron moving with velocity v has momentum 3 x 10 -26 Kg.m/s. The de Broglie wavelength associated with it is ______. Value of h = 6.63 x 10-34 is.

Elimination Tool

A) 24.1 nm

B) 22.14 m

C) 22.1 nm

D) 22.1 mm

15 / 30

Fill in the blank with the correct option:

Tweezers ____ always useful to handle small objects.

Elimination Tool

A) is

B) are

C) will

D) may

16 / 30

Joint equation of lines perpendicular to lines represented by x² – 2xy – y² = 0:

x2 + 2xy – y2 = 0

x2 – 2xy – y2 = 0

x2 – 2xy + y2 = 0

x2 + 2xy + y2 = 0

17 / 30

Spot the Error

At any moment Martian air might draw his soul from him, as marrow comes from a white bone.

Martian

from him

comes from a

marrow

18 / 30

The conditional Operator requires?

One operand

Two operand

Three operand

Four Operand

19 / 30

What is another name for a computer Bug?

Virus

Error

Malware

None of the above

20 / 30

A flat coil of wire having 5 turns has an inductance, L. The inductance of a similar coil having 20 turns is:

Elimination Tool

A) 16L

B) L/4

C) uL

D) L

21 / 30

The base vertices of an isosceles triangle PQR are Q(1,3) and R(-2,7). The vertex P can be.

(1,6)

(5/6,6)

(1/2,6)

(2,6)

22 / 30

In a right angled triangle ABC with right angle at B, which one of the following statements is true?

a^2 + b^2 = c^2

a^2 – c^2 = b^2

a^2 + c^2 = b^2

a^2 + b^2 = c^2

23 / 30

A, G, H are in

A.P.

G.P.

H.P.

none of these

24 / 30

Which short key is used to open the window Help in MS Word document

F11

25 / 30

Complete the sentence by choosing the most appropriate option, from the given lettered choices (A to E) below:

The tree must ______ planted over fifty years ago.

Elimination Tool

A) been

B) be been

C) would been

D) have been

26 / 30

The attribute on the left-hand side of the arrow in a functional dependency is the

Candidate Key

Determinant

Foreign Key

Primary Key

27 / 30

In Young’s Double slit experiment, if the spacing between the slit is doubled and the linear distance from the screen is reduced to one half then the spacing between the two adjacent bright fringes will be ____ of actual value.

Elimination Tool

A) Remains same

B) Reduce to one half

C) Reduce to one quarter

D) Increase to twice

28 / 30

#include

int main() {

unsigned int x = 5;

int y = -10;

if (x + y > 0) {

printf(“Positive\n”);

} else {

printf(“Negative\n”);

}

return 0;

}

What is the output of this code?

Positive

Negative

Compiler warning

Undefined behavior

29 / 30

If two particles collide with one anti particle the resultant will give

Elimination Tool

A) One particle, one anti particle

B) Total annihilation

C) One antiparticle only

D) None of these

30 / 30

Which of the following loops is a post-test loop?

for loop

while loop

do-while loop

Nested loop

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2	Mister	100 %	1 minutes 30 seconds
3	Hassan	100 %	3 minutes 3 seconds
4	Rameen	97 %	1 minutes 7 seconds
5	Seemal Azam	97 %	1 minutes 37 seconds
6	so	97 %	2 minutes 11 seconds
7	Seemal Azam	93 %	1 minutes 40 seconds
8	Sadat	93 %	4 minutes 19 seconds
9	Djsk	90 %	1 minutes 18 seconds
10	Mehroosa	87 %	5 minutes 37 seconds
11	Khadija hayat	83 %	1 minutes 57 seconds
12	Alina Tayyab	83 %	4 minutes 18 seconds
13	Mahnoor	80 %	1 minutes 41 seconds
14	aisa zinda hu ee zindagi	70 %	7 minutes 17 seconds
15	AneelKumar	63 %	3 minutes 44 seconds
16	abdueee	60 %	4 minutes 57 seconds
17	Fahad sultan	57 %	9 minutes 32 seconds
18	Umber	57 %	28 minutes 36 seconds
19	Diej	53 %	2 minutes 29 seconds
20	Seemal Azam	53 %	4 minutes 59 seconds
21	Khadija hayat	53 %	8 minutes 8 seconds
22	g	50 %	5 minutes 38 seconds
23	Wmman	50 %	14 minutes 43 seconds
24	Kami	50 %	30 minutes
25	Hafsa	50 %	30 minutes
26	Ismat	47 %	4 minutes 19 seconds
27	ma\	47 %	5 minutes 41 seconds
28	Muhammad Arslan	47 %	18 minutes 56 seconds
29	Ali	43 %	4 minutes 3 seconds
30	Zubaida	43 %	7 minutes 32 seconds
31	uzair	43 %	14 minutes 47 seconds
32	Seemal Azam	43 %	21 minutes 34 seconds
33	ainazahid	40 %	5 minutes 7 seconds
34	Mahnoor	40 %	5 minutes 24 seconds
35	G	40 %	5 minutes 26 seconds
36	khizar tareen	40 %	7 minutes 52 seconds
37	sga	40 %	9 minutes 20 seconds
38	ffff	40 %	9 minutes 49 seconds
39	Eman	40 %	11 minutes 19 seconds
40	Abdul Moez	40 %	17 minutes
41	REHAN KHAN	40 %	20 minutes 26 seconds
42	hoor	37 %	4 minutes 12 seconds
43	Opf	37 %	4 minutes 32 seconds
44	Meerab	37 %	6 minutes 58 seconds
45	Asma	37 %	7 minutes
46	laiba	37 %	7 minutes 1 seconds
47	Rameen gillani	37 %	8 minutes 42 seconds
48	Muhammad Arslan	37 %	9 minutes 14 seconds
49	AneelKumar	37 %	10 minutes 33 seconds
50	aizah gul	37 %	11 minutes 34 seconds
51	Sadat	37 %	13 minutes 56 seconds
52	Ali	37 %	18 minutes 6 seconds
53	Alina Tayyab	37 %	25 minutes 1 seconds
54	Muaz Rana	33 %	2 minutes 39 seconds
55	Ibad Ullah	33 %	3 minutes 46 seconds
56	Muaz Rana	33 %	3 minutes 49 seconds
57	Muhammad mubeen	33 %	3 minutes 56 seconds
58	habibi	33 %	4 minutes 31 seconds
59	ismat zehra	33 %	6 minutes
60	y	33 %	9 minutes 37 seconds
61	okkk	33 %	9 minutes 40 seconds
62	gfgfg	33 %	10 minutes
63	iqra	33 %	14 minutes 22 seconds
64	Ayesha Tajammul	33 %	14 minutes 43 seconds
65	Khadija imran	33 %	14 minutes 56 seconds
66	rayan	33 %	16 minutes 13 seconds
67	ali	33 %	18 minutes 55 seconds
68	Ayesha Akram	33 %	25 minutes 55 seconds
69	Emaan Rizwan	33 %	28 minutes 38 seconds
70	Muaz Rana	30 %	2 minutes 4 seconds
71	Amir	30 %	2 minutes 28 seconds
72	Ismat	30 %	5 minutes 58 seconds
73	ma	30 %	8 minutes 58 seconds
74	Muaz Rana	30 %	10 minutes 15 seconds
75	DOLL	30 %	11 minutes 18 seconds
76	asfandyar jadoon	30 %	11 minutes 24 seconds
77	Hamna ubaid	30 %	13 minutes 28 seconds
78	Iman	30 %	13 minutes 36 seconds
79	Hadia Sajid	30 %	19 minutes 10 seconds
80	M Fahad	27 %	3 minutes 18 seconds
81	Muaz Rana	27 %	3 minutes 20 seconds
82	Muzammil	27 %	5 minutes 41 seconds
83	Fiza	27 %	7 minutes 18 seconds
84	abdueeeeeeeheheheh	27 %	8 minutes 53 seconds
85	Moomna Nazir	27 %	11 minutes 58 seconds
86	Junaid Khan	27 %	12 minutes 15 seconds
87	Mister	27 %	13 minutes 52 seconds
88	Muhammad Zain	23 %	4 minutes 43 seconds
89	Meow	23 %	5 minutes 30 seconds
90	Muaz Rana	23 %	6 minutes 12 seconds
91	Fjvxdd	23 %	11 minutes 58 seconds
92	Tasawer Ali	23 %	13 minutes 7 seconds
93	bisma	23 %	14 minutes 34 seconds
94	Abiha	23 %	21 minutes 20 seconds
95	Muaz Rana	23 %	51 minutes 46 seconds
96	Ahsen Ali Khan	20 %	1 minutes 19 seconds
97	Ibrahim	20 %	1 minutes 52 seconds
98	Mehroosa	20 %	5 minutes 52 seconds
99	makjhis	20 %	7 minutes 55 seconds
100	Ismat zehra	20 %	9 minutes 38 seconds
101	YaSiR	20 %	17 minutes 8 seconds
102	Fahad	17 %	8 minutes 58 seconds
103	aaa	17 %	16 minutes 19 seconds
104	Ali hassan	17 %	30 minutes 25 seconds
105	hamamd	7 %	1 minutes 47 seconds

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