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WorksheetsComputer Basics Quiz
Total questions: 20
Worksheet time: 10mins
Which of the following is the primary function of the monitor?
To process data
To store data
To display visual output
To input data
The system unit of a computer primarily contains:
The monitor and keyboard
The central processing unit (CPU) and memory
The input devices
The speakers and projector
Which of these is an example of an input device?
Monitor
Mouse
Printer
Speaker
The keyboard is used to:
Output data
Input text and commands
Control the movement of the mouse
Store files
Which of the following devices is an output device?
Keyboard
Mouse
Projector
Microphone
The UPS (Uninterruptible Power Supply) is used to:
Provide a backup power source during electrical outages
Display images on the screen
Store data for future use
Connect input devices to the computer
What does an AVR (Automatic Voltage Regulator) do?
Regulates the computer’s fan speed
Provides power backup during outages
Protects the computer from power surges
Stores data in the system unit
A mouse is primarily used to:
Control the computer's volume
Display images on the screen
Navigate the graphical user interface (GUI)
Provide backup power
Which part of the computer is responsible for the actual computation?
Monitor
System unit
Keyboard
Speaker
Which of the following is true about a projector in terms of its function?
It is an input device
It displays images or videos on a larger surface
It stores files
It is used to process data
A speaker is used to:
Display text and images
Produce sound output from the computer
Store files for later use
Control the computer’s movements
Which of the following devices can be considered both an input and an output device?
Keyboard
Monitor
Printer
Touchscreen
The system unit contains the CPU, which is responsible for:
Displaying images
Processing instructions and data
Storing files
Producing sound output
Which device is responsible for providing a visual output from the computer to the user?
Keyboard
Monitor
Mouse
Speaker
What is the function of an input device like a keyboard or mouse?
To display results
To produce sound
To send information to the computer for processing
To regulate the voltage of electrical power
Which of these devices is typically used to print documents?
Speaker
Projector
Printer
Mouse
The projector is an example of a(n):
Input device
Output device
Storage device
Processing device
Which device protects a computer from sudden power surges or outages?
UPS
Keyboard
Speaker
System unit
What function does the system unit serve in a computer system?
It stores and processes data
It provides sound output
It displays images on the screen
It connects input and output devices
The UPS is especially important in preventing:
Overheating of the CPU
Data loss during power interruptions
Increased voltage fluctuations
Incompatibility between input devices
