Explore topic-wise MCQs in Computer Science.

This section includes 109 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

51.

Modulator-demodulator is a device that converts:

A. Digital signal into analog signal
B. Analog signal into digital signal
C. Both A and B
D. None of these
Answer» D. None of these
52.

MAN stand for

A. Maximum Area Network
B. Minimum Area network
C. Main Area Network
D. Metropolitan Area Network
Answer» E.
53.

Light pen and joystick are____________________

A. Algorithm
B. Input devices
C. Output devices
D. Portals
Answer» C. Output devices
54.

LAN stands for.________________

A. Limited Area Network
B. Logical Area Network
C. Local Area Network
D. Large Area Network
Answer» D. Large Area Network
55.

Joshy, Perfumes are examples of

A. Operating system
B. Computer languages
C. Computer viruses
D. Web portals
Answer» D. Web portals
56.

______________is used for scanning the pictures and putting them in digitized form in the computer.

A. CD-ROM
B. Plotter
C. Bar-coder
D. Scanner
Answer» E.
57.

is the science that attempts to produce machines that display the same type of intelligence that humans do

A. Nanoscience
B. Nanotechnology
C. Simulation
D. Artificial intelligence (Al)
Answer» E.
58.

is the process of dividing the disk into tracks and sectors.

A. Tracking
B. Formatting
C. Crashing
D. Allotting
Answer» C. Crashing
59.

is the measurement of things such as fingerprints and retinal scans used for security access.

A. Biometrics
B. Bio measurement
C. Computer security
D. Smart weapon machinery
Answer» B. Bio measurement
60.

is the key we use to run the selected command.

A. SHIFT
B. TAB
C. ENTER
D. CTRL
Answer» D. CTRL
61.

is the key to close a selected drop -down list; cancel a command and close a dialog box.

A. TAB
B. SHIFT
C. ESC
D. F10
Answer» D. F10
62.

Is the functional key to display save-as box.

A. F5
B. F6
C. F9
D. F12
Answer» E.
63.

is the ability of a device to "jump" directly to the requested data

A. Sequential access
B. Random access
C. Quick access
D. All of the above
Answer» C. Quick access
64.

Is the appearance of typed characters?

A. Size
B. Format
C. Point
D. Colour
Answer» C. Point
65.

Is defined as any crime completed through the use of computer technology.

A. Computer forensics
B. Computer crime
C. Hacking
D. Cracking
Answer» C. Hacking
66.

is computer software designed to operate the computer hardware and to provide platform for running application software

A. Application software
B. System software
C. Software
D. Operating system
Answer» C. Software
67.

_________is a combination of hardware and software that facilitates the sharing of information between computing devices.

A. network
B. peripheral
C. expansion board
D. digital device
Answer» B. peripheral
68.

In a high resolution mode, the number of dots in a line will usually be

A. 320
B. 640
C. 760
D. 900
Answer» C. 760
69.

In a computer most processing takes place in

A. Memory
B. RAM
C. Motherboard
D. CPU
Answer» E.
70.

IC are classified on the basis of

A. Manufacturing company
B. Type of computer
C. Number of transistors
D. None of these
Answer» D. None of these
71.

How was the generation of computer classified? .

A. by the device used in memory & processor
B. by the speed of computer
C. by the model of the computer
D. by the accuracy of computer
Answer» B. by the speed of computer
72.

He BIOS is the abbreviation of ___________.

A. Basic Input Output System
B. Best Input Output System
C. Basic Input Output Symbol
D. Base Input Output System Answer
Answer» B. Best Input Output System
73.

Floppy Disk Drives were first introduced by which of the following computer manufacturers?

A. IBM
B. Sony
C. Panasonic
D. Compaq
Answer» B. Sony
74.

Floppy Disk Drives were originally designed by

A. IBM
B. Sony
C. Panasonic
D. Samsung
Answer» C. Panasonic
75.

Data (information) is stored in computers as

A. Files
B. Directories
C. Floppies
D. Matter
Answer» B. Directories
76.

Data becomes when it is presented in a format that people can understand and use

A. processed
B. graphs
C. information
D. presentation
Answer» D. presentation
77.

Daisy wheel, Drum, chain etc are the________________

A. Flow chart
B. Mouse
C. Key board
D. Printers
Answer» E.
78.

Cursor is a

A. Pixel
B. Thin blinking line
C. Pointing device
D. None of these
Answer» C. Pointing device
79.

computers operates essentially by counting

A. Portable computer
B. Hybrid computer
C. Analog computer
D. Digital computer
Answer» E.
80.

Computers manipulate data in many ways, and this manipulation is called.____________________

A. upgrading
B. processing
C. batching
D. utilizing
Answer» C. batching
81.

computer is small general purpose micro computer, but larger than portable computer

A. Hybrid
B. Digital
C. Desktop
D. Laptop
Answer» D. Laptop
82.

computer is a medium sized computer

A. Micro
B. Mainframec
C. Super
D. Mini
Answer» E.
83.

computer are of large size

A. Micro
B. Mainframe
C. Super
D. Mini
Answer» C. Super
84.

COBOL is widely used in applications

A. Commercial
B. Scientific
C. Space
D. Mathematical
Answer» B. Scientific
85.

COBOL is an acronym for__________________

A. Common Business Oriented Language
B. Computer Business Oriented Language
C. Common Business Operated Language
D. Common Business Organized Language
Answer» B. Computer Business Oriented Language
86.

Cathode Ray Tube is a form of.____________

A. Keyboard
B. Mouse
C. Monitor
D. Mother board
Answer» D. Mother board
87.

ATM stands for?

A. Automatic Talking Machine
B. Automatic Teller Machine
C. Analog Teller Machine
D. Automatic Ticketing Machine
Answer» D. Automatic Ticketing Machine
88.

are used to identify a user who returns to a website.

A. Cookies
B. Plug-ins
C. Scripts
D. ASPs
Answer» B. Plug-ins
89.

are used for plotting graphs and design on papers

A. Trackball
B. Joystick
C. Light pen
D. Plotters
Answer» E.
90.

are system software to facilitate editing of text and data

A. MS Word
B. Editors
C. PowerPoint
D. MS publisher
Answer» C. PowerPoint
91.

are specific to users’ needs

A. System software
B. Application software
C. Assemblers
D. Compilers
Answer» C. Assemblers
92.

are set of rules and procedures to control the data transmission over the internet

A. IP address
B. Domains
C. Protocol
D. Gateway
Answer» D. Gateway
93.

are high-end printers

A. Inkjet
B. Laser
C. Thermal
D. Dot matrix
Answer» C. Thermal
94.

Animator, 3D Studio, Corel Draw and Flash are___________

A. Word processors
B. Spreadsheet packages
C. Multimedia S/W
D. None of these
Answer» D. None of these
95.

An intentionally disruptive program that spreads from program to program or from disk to disk is known as a:

A. Trojan horse
B. Virus
C. Time bomb
D. Time-related bomb sequence.
Answer» C. Time bomb
96.

An area of a computer that temporarily holds data waiting to be processed is_____________

A. CPU
B. Memory
C. Storage
D. File
Answer» C. Storage
97.

A_________________is an additional set of commands that the computer displays after you make a selection from the main menu

A. dialog box
B. submenu
C. menu selection
D. All of the above
Answer» B. submenu
98.

A small or intelligent device is so called because it contains within it a

A. Computer
B. Microcomputer
C. Programmable
D. Sensor
Answer» E.
99.

A self replicating program, similar to a virus which was taken from a 1970s science fiction novel by John Bruner entitled the Shockwave Rider is

A. Bug
B. Vice
C. Lice
D. Worm
Answer» E.
100.

A program that performs a useful task while simultaneously allowing destructive acts is a:

A. Worm
B. Trojan horse
C. Virus
D. Macro virus.
Answer» C. Virus