1)
A process is a _______.
a.
single
thread of execution.
b.
program
in the execution
c.
program
in the memory
d.
task
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Answer: (b) program in
the execution
Explanation: A process is a
program that is executed by the threads. It consists of multiple threads of
execution.
2)
The word processing feature that catches most random typographical errors and
misspellings is known as _____.
a.
Grammar
checker
b.
Spell
checker
c.
Word
checker
d.
None
of the these
Hide Answer Workspace
Answer: (b) Spell
checker
Explanation: The word
processing feature that catches most random typographical errors and
misspellings is known as spell checker.
3)
What is smallest unit of the information?
a.
A
bit
b.
A
byte
c.
A
block
d.
A
nibble
Hide Answer Workspace
Answer: (a) A bit
Explanation: The smallest
unit of the information is a bit. All information is stored in the computer as
bits.
4)
What is the decimal equivalent of the binary number 10111?
a.
21
b.
39
c.
42
d.
23
Hide Answer Workspace
Answer: (d) 23
Explanation: Binary number is
10111.
=
1x24 + 0x23 + 1x22 + 1x21 +
1x20
=
1x16 + 0x8 + 1x4 + 1x2 + 1x1
=
16 + 0 + 4 + 2 + 1
=
23
5)
What is the term for a temporary storage area that compensates for differences
in data rate and data flow between devices?
a.
Buffer
b.
Bus
c.
Channel
d.
Modem
Hide Answer Workspace
Answer: (a) Buffer
Explanation: Buffer is the
temporary storage that can be used to compensate for a difference in data rate
and data flow between devices. In other words, a buffer is an area of physical
memory storage used to store data temporarily.
6)
How many color dots make up one color pixel on a screen?
a.
265
b.
16
c.
8
d.
3
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Answer: (d) 3
Explanation: Three color dots
form a color pixel on a screen, and these are the following color dots: red,
blue, and green. you can make any color from these 3 colors on the screen.
7)
Which of the following values is the correct value of this hexadecimal code
1F.01B?
a.
35.0065918
b.
32.0065918
c.
31.0065918
d.
30.0065918
Hide Answer Workspace
Answer: (d) 31.0065918
Explanation: B and F are
equal to 11 and 15 respectively.
Therefore,
equivalent decimal number is,
=
(1F.01B)16
=
(1x161 + 15x160 + 0x16-1 + 1x16-2 +
11x16-3)10
=
(16 + 15 + 0 + 0.00390625 + 0.00268554688)10
=
(31.0065918)10
8)
How is the data stored on the diskette?
a.
Ink
b.
Laser
bubbles
c.
Magnetism
d.
Circuits
Hide Answer Workspace
Answer: (c) Magnetism
Explanation: The data is
stored on the diskette in magnetism form. A diskette is a removable data
storage, and it is used with the PC.
9)
Which of the following is the smallest visual element on a video monitor?
a.
Character
b.
Pixel
c.
Byte
d.
Bit
Hide Answer Workspace
Answer: (b) Pixel
Explanation: A pixel is the
smallest portion of the screen. The name Pixel is made from the "Picture
element" and is also called the PEL. All screen is made by putting
millions of pixels together in a matrix form.
10)
Which of the following natural element is the primary element in computer
chips?
a.
Silicon
b.
Carbon
c.
Iron
d.
Uranium
Hide Answer Workspace
Answer: (a) Silicon
Explanation: Silicon is the
primary element in computer chips. Silicon is a highly pure element which is
now perfect for the massive computer chip industry. It is cost efficent and
easy to use.
11)
Which of the following programs enables you to calculate numbers related to
rows and columns?
a.
Window
program
b.
Spreadsheet
program
c.
Graphics
program
d.
Word
program
Hide Answer Workspace
Answer: (b) Spreadsheet
program
Explanation: Spreadsheet
programs help you to calculate numbers related to rows and columns. It can also
graphically represent the data as per the user's requirement.
12)
Which of the following is a structured programming technique that graphically
represents the detailed steps required to solve a program?
a.
Object-oriented
programming
b.
Pseudocode
c.
Flowchart
d.
Top-down
design
Hide Answer Workspace
Answer: (c) Flowchart
Explanation: Flowchart is a
structured programming technique that graphically represents the detailed steps
required to solve a program. Usually, it shows the steps as boxes of different
types, and these boxes are connected with arrows.
13)
Which of the following values is the correct value of this hexadecimal code
ABCDEF?
a.
11259375
b.
11259379
c.
11259312
d.
11257593
Hide Answer Workspace
Answer: (c) 11259375
Explanation: A, B, C, D, E,
AND F are equal to 10, 11, 12, 13, 14, and 15 respectively.
Therefore,
equivalent decimal number is,
=
(ABCDEF)16
=
(10x165 + 11x164 + 12x163 +
13x162 + 14x161 + 15x160)10
=
(10485760 + 720896+ 49152+ 3328 + 224 + 15)10
=
(11259375)10
14)
Which of the following is an output device?
a.
Keyboard
b.
Mouse
c.
Light
pen
d.
VDU
Hide Answer Workspace
Answer: (d) VDU
Explanation: The full form of
VDU is the Visual Display Unit. It is a hardware output device that uses a
cathode ray tube to display a visual image.
15)
Which of the following is an input device?
a.
Plotter
b.
Printer
c.
VDU
d.
Mouse
Hide Answer Workspace
Answer: (d) Mouse
Explanation: A mouse is a
hardware input device that controls a cursor on a computer. With the help of
the mouse, you can select, open, and move files, icons, folders, and text on
the PC.
16)
Which of the following is the extension of Notepad?
a.
.txt
b.
.xls
c.
.ppt
d.
.bmp
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Answer: (a) .txt
Explanation: The .txt file
extension is a standard text document extension that contains the unformatted
text. It is the default file extension for the notepad.
17)
BIOS is used?
a.
By
operating system
b.
By
compiler
c.
By
interpreter
d.
By
application software
Hide Answer Workspace
Answer: (a) By operating
system
Explanation: BIOS is used by
the operating system. It is used to configure and identify the hardware in a
system such as the hard drive, floppy drive, optical drive, CPU, and memory.
18)
What is the mean of the Booting in the system?
a.
Restarting
computer
b.
Install
the program
c.
To
scan
d.
To
turn off
Hide Answer Workspace
Answer: (a) Restarting
computer
Explanation: Booting is a
process of the restart the computer. After restarting it, there is no software
in the computer's main memory.
19)
A computer is accurate, but if the result of a computation is false, what is
the main reason for it?
a.
Power
failure
b.
The
computer circuits
c.
Incorrect
data entry
d.
Distraction
Hide Answer Workspace
Answer: (c) Incorrect
data entry
Explanation: None
20)
The central processing unit is located in the _____.
a.
Hard
disk
b.
System
unit
c.
Memory
unit
d.
Monitor
Hide Answer Workspace
Answer: (b) System unit
Explanation: The central
processing unit is located in the system unit. The system unit controls the
entire computer. It includes RAM, Processors, Optical drive, Power supply,
Fans, Hardware, Peripheral devices, BIOS, etc.
21)
Which one of the following groups contains graphical file extensions?
a.
JPG,
CPX, GCM
b.
GIF,
TCE, WMF
c.
TCP,
JPG, BMP
d.
JPG,
GIF, BMP
Hide Answer Workspace
Answer: (d) JPG, GIF,
BMP
Explanation: JPG, GIF, BMP
are all extensions of graphical file. JPG stands for Joint Photographic Experts
Group, GIF stands for Graphics Interchange Format, and BMP stands for Bitmap
Image File.
22)
Which of the following is equal to a gigabyte?
a.
1024
bytes
b.
512
GB
c.
1024
megabytes
d.
1024
bits
Hide Answer Workspace
Answer: (c) 1024
megabytes
Explanation: One gigabyte is
made up of 1024 megabytes.
1024
KB = 1 MB
1024
MB = 1 GB
23)
How many bytes does 4 kilobytes represent?
a.
512
b.
1024
c.
4096
d.
8192
Hide Answer Workspace
Answer: (c) 4096
Explanation:
1
kb = 210 bytes in binary
1
kb = 1024 bytes in binary
4
kb = 4 * 1024 bytes
=
4096 bytes
24)
Which type of program acts as an intermediary between a user of a computer and
the computer hardware?
a.
Operating
system
b.
User
thread
c.
Superuser
thread
d.
Application
program
Hide Answer Workspace
Answer: (a) Operating
system
Explanation: An OS is a kind
of program that acts as an intermediary for computer hardware and computer
user. The purpose of an operating system is to provide a user-friendly and
effective environment.
25)
What kind of language can computer understand?
a.
Normal
language
b.
Computer
language
c.
Assembly
language
d.
High-level
language
Hide Answer Workspace
Answer: (a) Assembly
language
Explanation: An assembly
language is a scripting language capable of telling the computer explicitly
what to do.
26)
Which of the following values is the correct value of this binary code 1011 and
1111?
a.
11
and 14
b.
12
and 15
c.
11
and 15
d.
12
and 14
Hide Answer Workspace
Answer: (c) 11 and 15
Explanation: 1011 = 1 × 23 +
0 × 22 + 1 × 21 + 1 × 20
=
8 + 0 + 2 + 1
=
11
1111
= 1 × 23 + 1 × 22 + 1 × 21 + 1
× 20
=
8 + 4 + 2 + 1
=
15
27)
Which of the following is not one of the internal components of a CPU?
a.
Control
sequencer
b.
M-D-R
c.
M-A-R
d.
Floppy
disk
Hide Answer Workspace
Answer: (d) Floppy disk
Explanation: Floppy disk is
not an internal components of a CPU. It is a component of the secondary storage
and external storage. It is a kind of data storage device.
28)
What is the speed of computer measured in?
a.
Nanoseconds
b.
Kilo-seconds
c.
Gigahertz
d.
Megabytes
Hide Answer Workspace
Answer: (c) Gigahertz
Explanation: The computer
clock speed is normally calculated in gigahertz (GHz) or megahertz (MHz). a
gigahertz is equal to one billion ticks per second, and a megahertz is equal to
one million ticks per second.
29)
What is the full form of RAM?
a.
Remote
Access Memory
b.
Random
Access Memory
c.
Remote
Access Memory
d.
Random
Access Memory
Hide Answer Workspace
Answer: (b) Random
Access Memory
Explanation: The full name of
RAM is random access memory. It is a hardware device located in a computer that
stores data temporarily. Temporary means it only stores data for some time. RAM
is also called main memory, primary memory, or system memory.
30)
What is the full form of DRAM?
a.
Dynamic
Remote Access Memory
b.
Dynamic
Random-Access Memory
c.
Dependent
Remote Access Memory
d.
Dependent
Random-Access Memory
Hide Answer Workspace
Answer: (b) Dynamic
Random-Access Memory
Explanation: The full name of
DRAM is dynamic random-access memory. It needs a refresh power to work and it
has transistor and capacitor for the memory cell. It is used in video game
consoles, networking hardware, and system memory, etc.
31)
Which one of the following software applications would be the most appropriate
for performing numerical and statistical calculations?
a.
Database
b.
Document
processor
c.
Graphics
package
d.
Spreadsheet
Hide Answer Workspace
Answer: (d) Spreadsheet
Explanation: Spread Sheet is
the most appropriate for performing numerical and statistical calculation. A
spreadsheet is a computer application that is a copy of a paper that calculates
a worksheet. It displays several cells that together form a mesh that includes
rows and columns, each cell containing alphanumeric text, numeric values, or
formulas.
32)
Which of the following is not considered hardware?
a.
Operating
system
b.
CPU
c.
Keyboard
d.
Hard
disk
Hide Answer Workspace
Answer: (a) Operating
system
Explanation: The operating
system (OS) is a software that acts as an interface between a computer and a
user. It is also called system software. OS is the first program to be loaded
into a computer. It manages all the operations of the computer.
33)
Which of the following is exclusively a sequential access storage device?
a.
Hard
disk
b.
Floppy
disk
c.
Magnetic
tape
d.
DVD
Hide Answer Workspace
Answer: (c) Magnetic
tape
Explanation: Magnetic tape is
exclusively a sequential access storage device. Sequential access memory is a
type of data storage devices that read and write the data in a series.
34)
Akshat has created a story of ten pages, but only wants to print the first two
pages. Which printer command should he choose?
a.
Print
all
b.
Print
from 1 to 2
c.
Page
setup
d.
Print
Preview
Hide Answer Workspace
Answer: (b) Print from 1
to 2
Explanation: None
35)
What is the full form of SRAM?
a.
Static
Random-Access Memory
b.
Static
Remote-Access Memory
c.
Setup
Random-Access Memory
d.
Setup
Remote-Access Memory
Hide Answer Workspace
Answer: (a) Static
Random-Access Memory
Explanation: The full name of
SRAM is static random-access memory. It needs a constant power to work. Due to
continuous power, it does not need to be refreshed.
36)
What is the full form of USB?
a.
Unshielded
System Board
b.
Universal
System Board
c.
Unidentified
System Bus
d.
Universal
System Bus
Hide Answer Workspace
Answer: (d) Universal
System Bus
Explanation: The full name of
USB is Universal Serial Bus. It is a common interface that allows the
communication between two devices.
37)
Which one of the following is not a form of data storage media?
a.
A
database
b.
Magnetic
tape
c.
Magnetic
disc
d.
Optical
disc
Hide Answer Workspace
Answer: (a) A database
Explanation: A database is a
collection of information that is organized in such a way that information can
be easily accessed, managed, and updated. In the database, we can quickly and
easily select the desired data. For example, the dictionary is analogous to a
database that is like a file.
38)
What is five main components of a computer system?
a.
CPU,
CD-ROM, Mouse, Keyboard, Sound card
b.
Memory,
Video card, Monitor, Software, Hardware
c.
Modem,
Keyboard, Word Processor, Printer, Screen
d.
CPU,
Memory, System bus, Input, Output
Hide Answer Workspace
Answer: (d) CPU, Memory,
System bus, Input, Output
Explanation: None
39)
Which of the following numbers is a binary number?
a.
1
and 2
b.
0
and 0.1
c.
2
and 0
d.
0
and 1
Hide Answer Workspace
Answer: (d) 0 and 1
Explanation: Binary numbers
are represented by 0 and 1. The computer only works on binary numbering systems
because according to electronics, any signal can either be in the on state or
in the off state.
40)
Which one of the following is the best fire extinguisher for IT equipment?
a.
Dry
powder
b.
Bromo
chloride
c.
CO2
d.
Water
Hide Answer Workspace
Answer: (c) CO2
Explanation: None
41)
Select the correct statement from the following statements.
1.
MS-Excel creates workbooks, and each workbook may contain more work sheets.
2.
A worksheet in MS-Excel 2000 package has a maximum 0f 256 columns and 65536
rows.
3.
Columns are identified by a number and rows are identified by a letter.
4.
Cells are identified by the column letter and the row number.
a.
a,
b, c
b.
b,
c, d
c.
c,
d, a
d.
a,
b, d
e.
None
of the these
Hide Answer Workspace
Answer: (d) a, b, d
Explanation: None
42)
Which of the following statement is correct regarding a template prepared by a
word processing package?
a.
Any
document can be saved as a template.
b.
Default
template is used when you create a new file.
c.
Many
templates contain text that gives one advice on how to use the template.
d.
Default
settings are reflected by the normal document template and cannot be
overwritten.
Hide Answer Workspace
Answer: (a) Any document
can be saved as a template.
Explanation: A template is a
file that acts as a framework for a new text. Any document or text can be saved
as a template.
43)
Which of the following would be the correct description for WORM virus?
a.
It
infects the boot sector.
b.
It
propagates through the internet and e-mail.
c.
It
has no effect in increasing the internet traffic.
d.
It
alters the folder structure.
Hide Answer Workspace
Answer: (b) It
propagates through the internet and e-mail.
Explanation: A worm virus is
a malicious file. This virus can be spread across a network without human aid.
It also requires a large amount of bandwidth and memory. It spreads through the
internet and e-mail.
44)
A hard disk drive can be directly connected to a PC via a _____.
a.
SCSI
interface
b.
Parallel
interface
c.
WAN
interface
d.
USB
interface
Hide Answer Workspace
Answer: (a) SCSI
interface
Explanation: A hard disk
drive can be directly connected to a PC via a SCSI interface. SCSI is a group
of protocols that send the data between computers and external devices in a
physical manner.
45)
The use of the IC in a computer has ______.
a.
Increased
the amount of heating
b.
Reduced
the size and cost of computers
c.
Reduced
the peripheral devices to be used
d.
Reduced
the performance capacity of the computer
Hide Answer Workspace
Answer: (b) Reduced the
size and cost of computers
Explanation: The use of the
IC in a computer has reduced the cost of computers. It is an incredibly small
electronics chip integrated with a set of electrical circuits and transistors.
It is a very small chip.
46)
Consider the following path C:\Device\Module\Module 1. What is name of the file
in this path?
a.
Device
b.
Module
c.
Module
1
d.
C
Hide Answer Workspace
Answer: (c) Module 1
Explanation: None
47)
What is the full form of SCSI?
a.
Standard
computer systems interface
b.
Small
computer systems interface
c.
Super
computer systems interface
d.
Small
computer standard interface
Hide Answer Workspace
Answer: (b) Small
computer system interface
Explanation: The full name of
SCSI is Small computer system interface. SCSI is a group of protocols that send
the data between computers and external devices in a physical manner.
48)
Which one of the following is not input device?
a.
Keyboard
b.
Mouse
c.
Speaker
d.
Scanner
Hide Answer Workspace
Answer: (c) Speaker
Explanation: Speaker is a
hardware output device that is used for listening to audio by connecting it to
a computer and other devices. The computer's sound card produces sound waves
from the speaker.
49)
Which one of the following is an example of the browser software?
a.
Microsoft
Word
b.
Notepad
c.
Internet
navigator
d.
Internet
explorer
Hide Answer Workspace
Answer: (d) Internet
explorer
Explanation: Internet
explorer is a web browser software on the windows computer. It helps to search
for anything in the world through the Internet. It is also known as Microsoft
Edge. If you use a Windows computer, this software is already installed on your
computer.
50)
Which one of the following commands can be used to work on a file?
a.
Ctrl
+ XY
b.
Ctrl
+ 2
c.
Ctrl
+ C
d.
None
of the these
Hide Answer Workspace
Answer: (c) Ctrl + C
Explanation: Ctrl C is a copy command on the computer. It is a very useful command. This command first selects the text, files, and any data that is stored in the computer's hard disk and then copies it. It is a shortcut key on the computer.
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