WorksheetsComputer System Unit Quiz
Total questions: 40
Worksheet time: 20mins
What is the main function of the system unit?
To display images
To process data
To print documents
To play sounds
The system unit contains important parts of the computer, such as the…
Mouse and Keyboard
Monitor and Speakers
CPU and Memory
Printer and Scanner
Which part of the system unit helps cool the computer?
Hard drive
Cooling fan
Power supply
Speaker
The system unit is also called the…
Storage unit
Central Processing Unit
CPU case
Outer part
What is stored inside the system unit?
CPU and RAM
Monitor and Keyboard
Printer and Scanner
Mouse and Speaker
Which part of the computer processes all instructions?
Monitor
Central Processing Unit (CPU)
Keyboard
Mouse
The CPU is also called the…
Computer’s brain
Output device
Storage unit
Power unit
The CPU has three main parts. Which of the following is NOT one of them?
Arithmetic and Logic Unit (ALU)
Control Unit (CU)
Memory Unit (MU)
Power Unit (PU)
What does the Control Unit (CU) do?
Stores files
Controls the flow of data
Prints documents
Plays music
The Arithmetic and Logic Unit (ALU) is responsible for…
Storing files
Doing calculations
Displaying images
Printing documents
What does the ALU use for calculations?
Numbers and Symbols
Letters and Words
Music and Sounds
Pictures and Videos
Which of these is NOT an inner part of the system unit?
Hard Drive
Monitor
CPU
RAM
Which of the following stores data temporarily?
Hard Drive
CD-ROM
RAM
Flash Drive
What is the full meaning of CPU?
Central Printing Unit
Central Processing Unit
Computer Power Unit
Control Processing Unit
What is the function of the motherboard?
It connects all computer components
It prints documents
It plays sounds
It stores files permanently
What does the power supply unit do?
Stores files
Provides electricity
Displays pictures
Types documents
Which of these is NOT part of the CPU?
Monitor
Control Unit
Arithmetic and Logic Unit
Memory Unit
What is the main storage device inside the system unit?
CD-ROM
Flash Drive
Hard Disk
Keyboard
The control unit in the CPU directs…
Printers
Data movement
Screen brightness
Mouse clicks
Which part of the CPU performs decision-making tasks?
Control Unit
Arithmetic and Logic Unit
Motherboard
RAM
Which part of the computer is used for long-term storage?
RAM
Hard Drive
Monitor
Speaker
What is the full meaning of ALU?
Arithmetic and Logic Unit
Advanced Logic Unit
Automatic Learning Unit
Arithmetic and Learning Unit
What is the purpose of RAM in a computer?
To permanently store files
To display images
To temporarily hold data
To print documents
Which part of the CPU fetches and decodes instructions?
Control Unit
Monitor
Keyboard
Printer
The CPU is located inside the…
Monitor
Mouse
System Unit
Printer
The outer part of the computer that protects the inner parts is called…
Monitor
System Unit Case
Keyboard
Speaker
What does the motherboard connect?
Only input devices
Only output devices
All internal components
Only storage devices
Which part of the system unit stores data permanently?
RAM
Hard Disk
Cache Memory
ALU
Which device is NOT an external part of a computer?
Keyboard
Monitor
Hard Drive
Mouse
The function of a cooling fan is to…
Cool the computer
Store files
Control the CPU
Print documents
The unit of the computer that does calculations is called the…
Monitor
ALU
Speaker
Mouse
Which of these is an external part of the computer?
RAM
Motherboard
Monitor
ALU
The system unit is connected to power through the…
Cooling Fan
Power Supply Unit
Motherboard
Mouse
What is the function of cache memory?
To store data permanently
To help the CPU process faster
To control input devices
To print documents
The CU (Control Unit) is responsible for…
Executing all operations
Storing data permanently
Managing the flow of instructions
Displaying images
The CPU processes data using…
ALU and CU
Monitor and Mouse
RAM and Hard Disk
Printer and Speaker
The part of the CPU that carries out logical operations is the…
Control Unit
ALU
RAM
Motherboard
The unit that holds and manages the entire processing operation is called…
Storage Unit
System Unit
Motherboard
Power Unit
The input device that helps us type is the…
Monitor
Keyboard
Mouse
CPU
The system unit is also known as the…
Central Unit
Computer Case
Display Unit
Keyboard
