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 Number of Questions: 30
  • ⏳ Time Allotted: 30 Minutes
  • đź“ť Marking Scheme: Each question carries 1 mark. There is no negative marking.
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  • 🔍 Read each question carefully before selecting your answer.
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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?
  • Prevent overheating by expelling hot air
  • Speed up data processing
  • Enhance storage capacity
  • Provide electrical power

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