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.

Questions (30)


  1. What is the primary function of the CPU in a computer?

    • a) Perform calculations and process data
    • b) Store data permanently
    • c) Display output on the screen
    • d) Connect devices to the computer
    View Answer
    Correct Perform calculations and process data
  2. What does RAM stand for in computer hardware?

    • a) Reusable Access Memory
    • b) Read-Only Memory
    • c) Random Access Memory
    • d) Rapid Action Memory
    View Answer
    Correct Random Access Memory
  3. Which of the following is considered the "brain" of the computer?

    • a) CPU
    • b) RAM
    • c) Hard Drive
    • d) Motherboard
    View Answer
    Correct CPU
  4. What is the function of the motherboard in a computer?

    • a) Connects all computer components and allows communication between them
    • b) Stores data permanently
    • c) Supplies power to the system
    • d) Provides graphical output to the monitor
    View Answer
    Correct Connects all computer components and allows communication between them
  5. Which of the following components is responsible for long-term data storage in a computer?

    • a) Power Supply
    • b) RAM
    • c) CPU
    • d) Hard Drive
    View Answer
    Correct Hard Drive
  6. Which type of memory is used to store the operating system and software in a computer?

    • a) ROM
    • b) RAM
    • c) Cache
    • d) Hard Disk
    View Answer
    Correct ROM
  7. What does the acronym "BIOS" stand for?

    • a) Binary Input/Output System
    • b) Basic Input/Output System
    • c) Basic Integrated Output System
    • d) Basic Information Output System
    View Answer
    Correct Basic Input/Output System
  8. Which of these components is responsible for converting AC power into DC power for a computer?

    • a) RAM
    • b) Motherboard
    • c) CPU
    • d) Power Supply
    View Answer
    Correct Power Supply
  9. Which of the following is an output device?

    • a) Printer
    • b) Keyboard
    • c) Mouse
    • d) Scanner
    View Answer
    Correct Printer
  10. Which of the following is an example of an input device?

    • a) Printer
    • b) Monitor
    • c) Keyboard
    • d) Speakers
    View Answer
    Correct Keyboard
  11. What is the function of the GPU in a computer?

    • a) Render graphics and images for display
    • b) Manage memory usage
    • c) Control system processes
    • d) Store data
    View Answer
    Correct Render graphics and images for display
  12. What is the primary function of the computer’s cooling system?

    • a) Provide storage space
    • b) Increase processing speed
    • c) Prevent the system from overheating
    • d) Enable Wi-Fi connectivity
    View Answer
    Correct Prevent the system from overheating
  13. What is the role of the computer’s power supply unit (PSU)?

    • a) Store data permanently
    • b) Convert electricity from an outlet into usable power for the computer
    • c) Transfer data between components
    • d) Manage user input
    View Answer
    Correct Convert electricity from an outlet into usable power for the computer
  14. Which type of memory is considered non-volatile and stores firmware data?

    • a) Flash
    • b) RAM
    • c) Cache
    • d) ROM
    View Answer
    Correct ROM
  15. The function of the heat sink is to: A: Dissipate heat from the CPU or GPU

    • a) Increase processing speed
    • b) Provide a cooling system
    • c) Store system data
    View Answer
    Correct Increase processing speed
  16. Which device is used to connect external devices like USB drives to a computer?

    • a) USB Port
    • b) HDMI Port
    • c) VGA Port
    • d) Ethernet Port
    View Answer
    Correct USB Port
  17. Which type of device is used to display information visually?

    • a) Printer
    • b) Keyboard
    • c) Monitor
    • d) Mouse
    View Answer
    Correct Monitor
  18. Which port is used for connecting external storage devices such as hard drives?

    • a) USB Port
    • b) VGA Port
    • c) HDMI Port
    • d) Audio Jack
    View Answer
    Correct USB Port
  19. What is the function of the sound card in a computer?

    • a) Store digital data
    • b) Enhance graphics processing
    • c) Process audio data for playback through speakers or headphones
    • d) Control keyboard input
    View Answer
    Correct Process audio data for playback through speakers or headphones
  20. What does a network interface card (NIC) allow a computer to do?

    • a) Connect to a network for data transmission
    • b) Store data in the cloud
    • c) Process data in real-time
    • d) Display graphics on the monitor
    View Answer
    Correct Connect to a network for data transmission
  21. Which of the following is an example of a storage device?

    • a) Monitor
    • b) Hard Drive
    • c) CPU
    • d) RAM
    View Answer
    Correct Hard Drive
  22. What is the primary function of a video card?

    • a) Render and output images to the monitor
    • b) Store video files
    • c) Provide internet access
    • d) Enhance audio quality
    View Answer
    Correct Render and output images to the monitor
  23. What is the primary function of an operating system in relation to hardware?

    • a) Manage and interact with the hardware components of the computer
    • b) Generate graphics
    • c) Store and organize files
    • d) Provide internet connectivity
    View Answer
    Correct Manage and interact with the hardware components of the computer
  24. What is the function of the keyboard in a computer system?

    • a) Control system processes
    • b) Display output
    • c) Store data
    • d) Input data into the system
    View Answer
    Correct Input data into the system
  25. What is the role of the RAM in a computer system?

    • a) Store temporary data for quick access by the CPU
    • b) Store long-term data
    • c) Power the CPU
    • d) Control the computer’s graphical output
    View Answer
    Correct Store temporary data for quick access by the CPU
  26. What type of memory is used to store small amounts of data that the CPU needs quickly?

    • a) RAM
    • b) Cache Memory
    • c) ROM
    • d) Hard Drive
    View Answer
    Correct Cache Memory
  27. Which of the following is an example of an external storage device?

    • a) USB Flash Drive
    • b) RAM
    • c) CPU
    • d) Motherboard
    View Answer
    Correct USB Flash Drive
  28. Which of the following is a common expansion slot for adding hardware components to a computer?

    • a) HDMI Port
    • b) USB Port
    • c) PCI Express
    • d) Ethernet Port
    View Answer
    Correct PCI Express
  29. Which type of memory is used to store the BIOS settings of a computer?

    • a) Flash
    • b) RAM
    • c) ROM
    • d) CMOS
    View Answer
    Correct CMOS
  30. What is the primary role of the computer’s cooling fan?

    • a) Prevent overheating by expelling hot air
    • b) Speed up data processing
    • c) Enhance storage capacity
    • d) Provide electrical power
    View Answer
    Correct Prevent overheating by expelling hot air

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