Basic Computer Hardware and Functions: Practice Test
Master computer hardware concepts with our Basic Computer Hardware and Functions Practice Test. Test your knowledge on essential components, their functions and troubleshooting techniques.
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đź“‹ Total Questions: 30
⏳ Time Limit: 30 minutes
📝 Marking Scheme: +1 for each correct answer. No negative marking.
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1. What is the primary function of the CPU in a computer?
Perform calculations and process data
Store data permanently
Display output on the screen
Connect devices to the computer
2. What does RAM stand for in computer hardware?
Reusable Access Memory
Read-Only Memory
Random Access Memory
Rapid Action Memory
3. Which of the following is considered the "brain" of the computer?
CPU
RAM
Hard Drive
Motherboard
4. What is the function of the motherboard in a computer?
Connects all computer components and allows communication between them
Stores data permanently
Supplies power to the system
Provides graphical output to the monitor
5. Which of the following components is responsible for long-term data storage in a computer?
Power Supply
RAM
CPU
Hard Drive
6. Which type of memory is used to store the operating system and software in a computer?
ROM
RAM
Cache
Hard Disk
7. What does the acronym "BIOS" stand for?
Binary Input/Output System
Basic Input/Output System
Basic Integrated Output System
Basic Information Output System
8. Which of these components is responsible for converting AC power into DC power for a computer?
RAM
Motherboard
CPU
Power Supply
9. Which of the following is an output device?
Printer
Keyboard
Mouse
Scanner
10. Which of the following is an example of an input device?
Printer
Monitor
Keyboard
Speakers
11. What is the function of the GPU in a computer?
Render graphics and images for display
Manage memory usage
Control system processes
Store data
12. What is the primary function of the computer’s cooling system?
Provide storage space
Increase processing speed
Prevent the system from overheating
Enable Wi-Fi connectivity
13. What is the role of the computer’s power supply unit (PSU)?
Store data permanently
Convert electricity from an outlet into usable power for the computer
Transfer data between components
Manage user input
14. Which type of memory is considered non-volatile and stores firmware data?
Flash
RAM
Cache
ROM
15. The function of the heat sink is to: A: Dissipate heat from the CPU or GPU
Increase processing speed
Provide a cooling system
Store system data
16. Which device is used to connect external devices like USB drives to a computer?
USB Port
HDMI Port
VGA Port
Ethernet Port
17. Which type of device is used to display information visually?
Printer
Keyboard
Monitor
Mouse
18. Which port is used for connecting external storage devices such as hard drives?
USB Port
VGA Port
HDMI Port
Audio Jack
19. What is the function of the sound card in a computer?
Store digital data
Enhance graphics processing
Process audio data for playback through speakers or headphones
Control keyboard input
20. What does a network interface card (NIC) allow a computer to do?
Connect to a network for data transmission
Store data in the cloud
Process data in real-time
Display graphics on the monitor
21. Which of the following is an example of a storage device?
Monitor
Hard Drive
CPU
RAM
22. What is the primary function of a video card?
Render and output images to the monitor
Store video files
Provide internet access
Enhance audio quality
23. What is the primary function of an operating system in relation to hardware?
Manage and interact with the hardware components of the computer
Generate graphics
Store and organize files
Provide internet connectivity
24. What is the function of the keyboard in a computer system?
Control system processes
Display output
Store data
Input data into the system
25. What is the role of the RAM in a computer system?
Store temporary data for quick access by the CPU
Store long-term data
Power the CPU
Control the computer’s graphical output
26. What type of memory is used to store small amounts of data that the CPU needs quickly?
RAM
Cache Memory
ROM
Hard Drive
27. Which of the following is an example of an external storage device?
USB Flash Drive
RAM
CPU
Motherboard
28. Which of the following is a common expansion slot for adding hardware components to a computer?
HDMI Port
USB Port
PCI Express
Ethernet Port
29. Which type of memory is used to store the BIOS settings of a computer?
Flash
RAM
ROM
CMOS
30. What is the primary role of the computer’s cooling fan?