About this Study Set
This study set covers Computer Science through
25 practice questions.
Foundational knowledge about computer hardware, software, and digital literacy. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 25 questions from the
Elementary Computer Science Basics study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which part of the computer is known as the 'brain' because it processes all instructions?
-
A
Monitor
-
B
CPU
-
C
Keyboard
-
D
Mouse
2
What is the physical equipment that makes up a computer system called?
-
A
Software
-
B
Data
-
C
Hardware
-
D
Internet
3
Which of these is an example of an input device?
-
A
Printer
-
B
Speaker
-
C
Monitor
-
D
Keyboard
4
What do we call a set of step-by-step instructions given to a computer to perform a task?
-
A
Algorithm
-
B
Hardware
-
C
Pixel
-
D
Network
5
Which device is used to see the output from a computer?
-
A
Mouse
-
B
Microphone
-
C
Monitor
-
D
Scanner
6
What is the main purpose of an operating system?
-
A
To play games only
-
B
To manage hardware and software
-
C
To create websites
-
D
To store paper documents
7
What does the 'WWW' in a website address stand for?
-
A
World Wide Web
-
B
World Web Wide
-
C
Wide World Web
-
D
Web World Wide
8
Which of these is a form of digital data?
-
A
A wooden chair
-
B
An image file
-
C
A plastic cup
-
D
A paper book
9
What is the primary function of a computer mouse?
-
A
To type letters
-
B
To print documents
-
C
To move the cursor on the screen
-
D
To listen to audio
10
Which of these is a safe way to protect your computer from viruses?
-
A
Sharing passwords
-
B
Using antivirus software
-
C
Opening all email attachments
-
D
Turning off the screen
11
What is the smallest unit of digital information?
-
A
Byte
-
B
Pixel
-
C
Bit
-
D
Gigabyte
12
Which button on a keyboard is used to create a space between words?
-
A
Enter
-
B
Space bar
-
C
Shift
-
D
Backspace
13
What is a 'bug' in a computer program?
-
A
A physical insect
-
B
A new feature
-
C
An error or mistake
-
D
A type of computer screen
14
What does Wi-Fi allow a computer to do?
-
A
Connect to the internet wirelessly
-
B
Print documents
-
C
Store files permanently
-
D
Cool down the processor
15
Which of these is a storage device?
-
A
USB flash drive
-
B
Headphones
-
C
Webcam
-
D
Monitor
16
What is the name for the 'desktop' area where you keep your files and shortcuts?
-
A
Operating System
-
B
Graphical User Interface
-
C
Central Processor
-
D
Internet Browser
17
Which key would you press to delete a character to the left of your cursor?
-
A
Caps Lock
-
B
Space bar
-
C
Backspace
-
D
Enter
18
What do computers use to represent letters and numbers?
-
A
Binary code
-
B
Ink
-
C
Paint
-
D
Paper
19
Which of these is an example of software?
-
A
Keyboard
-
B
Hard drive
-
C
Web browser
-
D
Power cable
20
What is the main purpose of a printer?
-
A
To scan documents
-
B
To produce a physical copy of digital information
-
C
To store digital data
-
D
To connect to the internet
21
What is the Internet?
-
A
A single computer
-
B
A network of connected computers globally
-
C
A type of software
-
D
A physical wire in a wall
22
What does 'log off' mean?
-
A
Turning off the electricity
-
B
Signing out of a computer session
-
C
Deleting all your files
-
D
Closing a browser tab
23
Which of these devices is used to input sound into a computer?
-
A
Speaker
-
B
Microphone
-
C
Monitor
-
D
Printer
24
What is the primary function of the Shift key on a keyboard?
-
A
To turn the computer off
-
B
To type capital letters
-
C
To scroll up a page
-
D
To save a file
25
What do we call a person who creates computer programs?
-
A
Programmer
-
B
Mechanic
-
C
Electrician
-
D
Chef
