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WorksheetsComputer Science Quiz
Total questions: 40
Worksheet time: 20mins
Which component is responsible for interpreting and executing instructions from software?
RAM
GPU
CPU
HDD
Which of these is not considered a computer?
Laptop
Server
Smartphone
Printer
Which type of computer is mainly used to provide resources to other computers on a network?
Laptop
Desktop
Server
Tablet
Why is RAM called “volatile” memory?
It stores programs permanently
It works only without electricity
It loses data when power is off
It stores BIOS instructions
Which device combines both input and output functions?
Keyboard
Monitor
Touchscreen
Printer
A graphics card is used mainly to:
Control CPU speed
Display visual output
Manage power supply
Store files
Which storage device has no moving parts and is faster than a hard disk?
CD
SSD
DVD
HDD
Which unit is the largest?
Megabyte
Gigabyte
Kilobyte
Terabyte
The BIOS is stored in:
RAM
SSD
ROM
GPU
Which component connects all other computer parts together?
RAM
Motherboard
HDD
Monitor
Why does a desktop computer often perform better than a laptop?
It uses touchscreens
It has larger parts and better cooling
It is more portable
It has a built-in battery
Which type of computer is designed for extremely complex calculations and massive data processing?
Laptop
Server
Supercomputer
Desktop
Which of the following is an example of an output device?
Scanner
Webcam
Microphone
Projector
Which is the correct order from smallest to largest storage unit?
KB → MB → GB → TB
MB → KB → TB → GB
GB → MB → KB → TB
TB → GB → MB → KB
Which part temporarily stores the data currently in use?
CPU
RAM
ROM
BIOS
Which best describes an operating system?
A device for storing data
Software that controls computer hardware and lets users interact
A type of antivirus
A physical part of the motherboard
Which of these is not a function of an OS?
Managing memory
Allocating CPU time
Drawing pictures
Controlling peripherals
Why does the OS allocate CPU time to programs?
To make them smaller
To prevent overloading and ensure fair processing
To delete them faster
To increase file size
Which interface uses icons and windows for interaction?
CLI
GUI
BIOS
ROM
Which part of Windows shows currently running applications?
Desktop
Start menu
Taskbar
File Explorer
What happens during the booting process?
RAM is erased
BIOS loads the OS into RAM
The OS deletes files
The CPU turns off
What appears right after you turn on the computer and before reaching the desktop?
Taskbar
Login screen
Start menu
File Explorer
Which is the correct power option if you want to pause your work without closing anything?
Sign out
Shutdown
Restart
Sleep
Which of these is not a sign-in method in Windows?
Username and password
PIN
Fingerprint
Handwriting sample
What is the main purpose of the Start menu?
View files
Install devices
Access programs and settings
Open the BIOS
What is the main purpose of using folders?
To delete files
To compress files
To organize files
To copy files automatically
A folder inside another folder is called a:
File
Shortcut
Subfolder
Archive
What is the quickest way to rename a file?
Right-click → Delete
Drag it to another folder
Press F2
Press Esc
Which command removes a file from its location and places it on the clipboard?
Copy
Cut
Paste
Send to
Which shortcut pastes copied or cut files?
Ctrl + A
Ctrl + P
Ctrl + C
Ctrl + V
What happens when you delete a file from the desktop?
It disappears forever
It moves to the Recycle Bin
It compresses
It copies itself
Which of these creates a quick access link to a file or folder?
Copy
Cut
Shortcut
Paste
What is the symbol that shows an icon is a shortcut?
A green dot
A small arrow
A blue border
A grey shadow
What happens if you delete a shortcut?
The original file is deleted
Nothing happens
Only the shortcut is deleted
All files in the folder are deleted
What is the benefit of compressing files?
They become permanently read-only
They take up less storage space
They delete unused data
They are turned into shortcuts
What is the file extension of a zipped folder?
.docx
.txt
.zip
.exe
What is required after compressing a folder to use its contents normally again?
Paste
Rename
Extract
Delete
Which feature lets you see a file without opening it?
Search bar
Preview pane
Properties
Recycle Bin
What is the purpose of the Recycle Bin?
Store temporary files
Store compressed files
Temporarily store deleted files
Store shortcuts
Which tab in File Explorer lets you change icon size or sort files?
Home
Start
View
Tools
