NAT-ICS Computer Science Test

The angle between rectangular components of a vector is always:

1 Mark(s)

Your Answer:

$45^\circ$ $45^\circ$
$60^\circ$ $60^\circ$
$180^\circ$ $180^\circ$
$90^\circ$ $90^\circ$

Magnetic effect of current was discovered by:

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Your Answer:

Faraday Faraday
Ampere Ampere
Oersted Oersted
Tesla Tesla

The $n^{th}$ term of Geometric Progression is:

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Your Answer:

$ar^n$ $ar^n$
$a + (n-1)d$ $a + (n-1)d$
$a/r^n$ $a/r^n$
$a r^{n-1}$ $a r^{n-1}$

The harmonic mean between $a$ and $b$ is:

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Your Answer:

$\frac{a+b}{2}$ $\frac{a+b}{2}$
$\sqrt{ab}$ $\sqrt{ab}$
$\frac{2ab}{a+b}$ $\frac{2ab}{a+b}$
$\frac{a+b}{2ab}$ $\frac{a+b}{2ab}$

An electron microscope has higher resolution than an optical microscope because:

1 Mark(s)

Your Answer:

Electrons are faster Electrons are faster
Electron wavelength is short Electron wavelength is short
Lenses are stronger Lenses are stronger
It uses magnets It uses magnets

Self-inductance of a coil depends on:

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Your Answer:

Current Current
Voltage Voltage
Time Time
Number of turns Number of turns

Which term in Geometric Sequence $2, 4, 8, \dots$ is 128?

1 Mark(s)

Your Answer:

6th 6th
8th 8th
7th 7th
9th 9th

A ball is dropped from a tower. The distance covered in time $t$ is proportional to:

1 Mark(s)

Your Answer:

$t$ $t$
$t^2$ $t^2$
$1/t$ $1/t$
$\sqrt{t}$ $\sqrt{t}$

$\int x^n dx$ (Power Rule) is valid for all $n$ except:

1 Mark(s)

Your Answer:

$n=0$ $n=0$
$n=1$ $n=1$
$n=-1$ $n=-1$
$n=\infty$ $n=\infty$

A function $f(x)$ is continuous at $x=c$ if:

1 Mark(s)

Your Answer:

Limit exists Limit exists
$f(c)$ exists $f(c)$ exists
Limit = Value Limit = Value
Differentiable Differentiable

Artificial gravity can be created in a spaceship by:

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Your Answer:

Spinning it Spinning it
Accelerating linearly Accelerating linearly
Stopping it Stopping it
Heating it Heating it

A photon of energy E has momentum:

1 Mark(s)

Your Answer:

$E c$ $E c$
$c / E$ $c / E$
$E / c$ $E / c$
$h v$ $h v$

The scalar product of two vectors $\vec{A} = 2\hat{i} + \hat{j}$ and $\vec{B} = 4\hat{i} - \hat{j}$ is:

1 Mark(s)

Your Answer:

9 9
7 7
6 6
8 8

General solution of $\cos x = 0$ is:

1 Mark(s)

Your Answer:

$n\pi$ $n\pi$
$2n\pi$ $2n\pi$
$n\pi/2$ $n\pi/2$
$(2n+1)\pi/2$ $(2n+1)\pi/2$

$\lim_{x \to \infty} (1 + 1/x)^x$ equals:

1 Mark(s)

Your Answer:

$e$ $e$
1 1
0 0
$\infty$ $\infty$

The half-life of a radioactive element depends on:

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Your Answer:

Temperature Temperature
Pressure Pressure
Nature of element Nature of element
Amount of sample Amount of sample

The sum of coefficients in the expansion of $(x+y)^n$ is found by putting $x=1, y=1$:

1 Mark(s)

Your Answer:

$n$ $n$
1 1
0 0
$2^n$ $2^n$

In an Arithmetic Progression (AP), the nth term $a_n$ is:

1 Mark(s)

Your Answer:

$a_1 r^{n-1}$ $a_1 r^{n-1}$
$a_1 + nd$ $a_1 + nd$
$a_1 + (n-1)d$ $a_1 + (n-1)d$
$a_1 + (n+1)d$ $a_1 + (n+1)d$

The perpendicular distance from the axis of rotation to the line of action of force is called:

1 Mark(s)

Your Answer:

Moment Arm Moment Arm
Position Vector Position Vector
Displacement Displacement
Radius Radius

Which is not a technique of integration?

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Your Answer:

Substitution Substitution
Differentiation Differentiation
By Parts By Parts
Partial Fractions Partial Fractions

Deduction: All birds lay eggs. Penguin is a bird.

1 Mark(s)

Your Answer:

Penguin lays eggs Penguin lays eggs
Penguin flies Penguin flies
Penguin swims Penguin swims
Penguin is mammal Penguin is mammal

Which keyword is used for decision making?

1 Mark(s)

Your Answer:

if if
loop loop
for for
do do

The average of 5 numbers is 20. If one number is removed, the average becomes 15. What is the removed number?

1 Mark(s)

Your Answer:

20 20
25 25
30 30
40 40

The bar code reader is an example of:

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Your Answer:

Input Device Input Device
Output Device Output Device
Storage Device Storage Device
Processing Device Processing Device

His speech was ______; everyone was listening intently.

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Your Answer:

Boring Boring
Captivating Captivating
Repulsive Repulsive
Monotonous Monotonous

The ratio of boys to girls is 3:2. If there are 30 boys, how many girls?

1 Mark(s)

Your Answer:

15 15
20 20
25 25
10 10

Odd number + Odd number = ?

1 Mark(s)

Your Answer:

Even Even
Odd Odd
Prime Prime
Zero Zero

A shopkeeper sells an item for 120 with 20 profit. Cost price?

1 Mark(s)

Your Answer:

140 140
100 100
110 110
80 80

Antonym of LIBERTY:

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Your Answer:

Freedom Freedom
Independence Independence
Rights Rights
Slavery Slavery

Line touching circle at one point:

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Your Answer:

Tangent Tangent
Secant Secant
Chord Chord
Diameter Diameter

She prevented him ______ going there.

1 Mark(s)

Your Answer:

to to
from from
of of
against against

Series: 3, 7, 15, 31, 63, ?

1 Mark(s)

Your Answer:

127 127
120 120
96 96
100 100

Which is a linear equation?

1 Mark(s)

Your Answer:

$x+2=0$ $x+2=0$
$x^2=4$ $x^2=4$
$1/x=2$ $1/x=2$
$xy=1$ $xy=1$

Logic: "If X is brother of Y, and Y is sister of Z, then Z is..."

1 Mark(s)

Your Answer:

Brother Brother
Sister Sister
Sibling Sibling
Cousin Cousin

Odd one out: Cricket, Football, Chess, Hockey.

1 Mark(s)

Your Answer:

Cricket Cricket
Football Football
Chess Chess
Hockey Hockey

Antonym of EXPAND:

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Your Answer:

Congest Congest
Contract Contract
Conclude Conclude
Convert Convert

Course of Action: There is a severe drought. Action 1: Government should provide water aid. Action 2: People should stop drinking water.

1 Mark(s)

Your Answer:

Only 1 follows Only 1 follows
Only 2 follows Only 2 follows
Both follow Both follow
Neither follows Neither follows

The stationary ______ is parked there.

1 Mark(s)

Your Answer:

Stationary Stationary
Stationery Stationery
Truck Truck
Train Train

Code: If WATER = YCVGT (+2). H2O = ?

1 Mark(s)

Your Answer:

I3P I3P
J4Q J4Q
K5R K5R
J2Q J2Q

Series: 3, 3, 6, 18, 72, ?

1 Mark(s)

Your Answer:

144 144
216 216
360 360
288 288

Antonym of FRUGAL:

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Your Answer:

Miserly Miserly
Extravagant Extravagant
Saving Saving
Economic Economic

Antonym of MITIGATE:

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Your Answer:

Alleviate Alleviate
Aggravate Aggravate
Abate Abate
Allay Allay

Comprehension: "Hit the nail on the head." Meaning:

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Your Answer:

Describe exactly Describe exactly
Hammering Hammering
Hurt someone Hurt someone
Miss the point Miss the point

Comprehension: "He burned the candle at both ends." Meaning:

1 Mark(s)

Your Answer:

Wasted wax Wasted wax
Worked too hard Worked too hard
Saved money Saved money
Lit a fire Lit a fire

Which escape sequence produces a beep sound?

1 Mark(s)

Your Answer:

\a \a
\b \b
\n \n
\t \t

A number divisible by 2 and 3 is divisible by:

1 Mark(s)

Your Answer:

5 5
4 4
6 6
8 8

Scenario: Six lectures (Same conditions). Question: Which lecture is on Monday?

1 Mark(s)

Your Answer:

Math Math
Phy Phy
Eng Eng
Chem Chem

This is the ______ edition of the book.

1 Mark(s)

Your Answer:

Last Last
Latest Latest
Later Later
Latter Latter

The loss of signal strength over distance is called:

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Your Answer:

Attenuation Attenuation
Distortion Distortion
Noise Noise
Interference Interference

`!(A && B)` is equivalent to:

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Your Answer:

!A || !B !A || !B
!A && !B !A && !B
A || B A || B
A && B A && B

Equation of x-axis is:

1 Mark(s)

Your Answer:

$x = 0$ $x = 0$
$y = 0$ $y = 0$
$x = 1$ $x = 1$
$y = x$ $y = x$

A microprocessor is a chip that integrates the:

1 Mark(s)

Your Answer:

CPU CPU
RAM RAM
ROM ROM
GPU GPU

Scenario: A chef must schedule 5 dishes (P, B, Pa, S, T) Mon-Fri. (Same conditions). Question: Which dish is on Wednesday?

1 Mark(s)

Your Answer:

Pizza Pizza
Steak Steak
Taco Taco
Pasta Pasta

FIRE : ASHES ::

1 Mark(s)

Your Answer:

Water : Waves Water : Waves
Explosion : Debris Explosion : Debris
Event : Memory Event : Memory
Wood : Coal Wood : Coal

Statement: If X, then Y. Not Y. Conclusion: Not X.

1 Mark(s)

Your Answer:

Valid Valid
Invalid Invalid
Uncertain Uncertain
Option 4 Option 4

Scenario: Man walks 5km North, 3km East, 5km South. Question: In which direction is he from start?

1 Mark(s)

Your Answer:

East East
West West
North North
South South

Shape of a cricket ground boundary:

1 Mark(s)

Your Answer:

Square Square
Oval/Circle Oval/Circle
Triangle Triangle
Rectangle Rectangle

Odd pair: (Pen, Ink), (Car, Petrol), (Fan, Electricity), (Table, Chair).

1 Mark(s)

Your Answer:

Pen/Ink Pen/Ink
Car/Petrol Car/Petrol
Fan/Elec Fan/Elec
Table/Chair Table/Chair

FILTER : WATER ::

1 Mark(s)

Your Answer:

Edit : Text Edit : Text
Censor : Play Censor : Play
Expurgate : Book Expurgate : Book
Bridge : River Bridge : River

Points on the same line are:

1 Mark(s)

Your Answer:

Collinear Collinear
Concurrent Concurrent
Coplanar Coplanar
Parallel Parallel

I cannot ______ this insult.

1 Mark(s)

Your Answer:

Bare Bare
Bear Bear
Beer Beer
Bar Bar

Scenario: A network consists of 6 nodes: 1, 2, 3, 4, 5, 6. 1 connects to 2 and 3. 2 connects to 4. 3 connects to 5. 4 connects to 6. 5 connects to 6. Question: What is the shortest path from 1 to 6?

1 Mark(s)

Your Answer:

38749 38749
38777 38777
1-2-4-6 1-2-4-6
38808 38808

Series: Z, X, V, T, ?

1 Mark(s)

Your Answer:

S S
R R
Q Q
P P

The climate of this city does not ______ with me.

1 Mark(s)

Your Answer:

agree agree
suit suit
fit fit
match match

What is the HCF of 12, 15, and 18?

1 Mark(s)

Your Answer:

6 6
3 3
1 1
12 12

Analogy: HEAT : CONVECTION ::

1 Mark(s)

Your Answer:

Sound : Wave Sound : Wave
Space : Radiation Space : Radiation
Light : Ray Light : Ray
Cold : Ice Cold : Ice

Total surface area of sphere:

1 Mark(s)

Your Answer:

$\pi r^2$ $\pi r^2$
$4\pi r^2$ $4\pi r^2$
$3\pi r^2$ $3\pi r^2$
$2\pi r^2$ $2\pi r^2$

Series: 2, 6, 12, 20, 30, ?

1 Mark(s)

Your Answer:

40 40
36 36
42 42
48 48

In Excel, intersection of a row and column is:

1 Mark(s)

Your Answer:

Block Block
Cell Cell
Box Box
Range Range

Scenario: Seven friends A, B, C, D, E, F, G are sitting in a circle facing the center. (Same conditions). Question: Who is third to the left of F?

1 Mark(s)

Your Answer:

A A
B B
G G
C C

Area of parallelogram:

1 Mark(s)

Your Answer:

Base $\times$ Height Base $\times$ Height
0.5 Base $\times$ Height 0.5 Base $\times$ Height
L $\times$ W L $\times$ W
Side squared Side squared

For loop syntax: `for(init; condition; ?)`:

1 Mark(s)

Your Answer:

Statement Statement
Break Break
Increment/Decrement Increment/Decrement
Declaration Declaration

Comprehension: "Don't count your chickens before they hatch." Meaning:

1 Mark(s)

Your Answer:

Farming advice Farming advice
Count eggs Count eggs
Save money Save money
Don't assume success Don't assume success

In a mixture of 60 liters, Milk:Water is 2:1. How much water to add to make it 1:2?

1 Mark(s)

Your Answer:

40 40
50 50
60 60
20 20

Code: If SKY is BLUE, BLUE is WATER, WATER is WHITE. What is color of sky?

1 Mark(s)

Your Answer:

Blue Blue
White White
Water Water
Sky Sky

Find the Compound Interest on 1000 at 10% for 2 years.

1 Mark(s)

Your Answer:

210 210
200 200
1210 1210
220 220

KANGAROO : JOEY ::

1 Mark(s)

Your Answer:

Lion : Cub Lion : Cub
Dog : Puppy Dog : Puppy
Cat : Kitten Cat : Kitten
Sheep : Lamb Sheep : Lamb

The preprocessor directive starts with:

1 Mark(s)

Your Answer:

% %
& &
# #
* *

Solve for $x$: $2x - 5 = 7$.

1 Mark(s)

Your Answer:

5 5
6 6
7 7
12 12

$(-5) \times (-4) = ?$

1 Mark(s)

Your Answer:

-20 -20
-9 -9
20 20
9 9

Synonym of FABRICATE:

1 Mark(s)

Your Answer:

Demolish Demolish
Construct Construct
Wear Wear
Wash Wash

$10^3 \times 10^2 = ?$

1 Mark(s)

Your Answer:

$10^6$ $10^6$
$10^1$ $10^1$
$10^5$ $10^5$
$100^5$ $100^5$

HORSE : STABLE ::

1 Mark(s)

Your Answer:

Dog : Kennel Dog : Kennel
Lion : Den Lion : Den
Pig : Sty Pig : Sty
Bird : Nest Bird : Nest

Scenario: Six books (A, B, C, D, E, F) are placed on a shelf. A is to the immediate left of B. C is to the immediate right of F. D is between B and F. E is at one of the ends. Question: Which of the following pairs are adjacent?

1 Mark(s)

Your Answer:

B and D B and D
A and F A and F
E and B E and B
D and C D and C

I am looking forward to ______ you.

1 Mark(s)

Your Answer:

meet meet
met met
meeting meeting
have met have met

Which coding scheme uses 16 bits?

1 Mark(s)

Your Answer:

ASCII ASCII
EBCDIC EBCDIC
Unicode Unicode
BCD BCD

Odd one out: Ear, Eye, Nose, Liver.

1 Mark(s)

Your Answer:

Ear Ear
Eye Eye
Nose Nose
Liver Liver

Midpoint of $(2,4)$ and $(4,8)$:

1 Mark(s)

Your Answer:

(2,6) (2,6)
(3,4) (3,4)
(3,6) (3,6)
(6,12) (6,12)

Antonym of STATIONARY:

1 Mark(s)

Your Answer:

Still Still
Fixed Fixed
Moving Moving
Stable Stable

If 12 men can do a work in 20 days, how many men can do it in 10 days?

1 Mark(s)

Your Answer:

12 12
6 6
24 24
48 48

Evaluating Your Answers

NAT-ICS Computer Science Test : Question 1 of 90