Basic Computer Hardware and Functions: Practice Test
Questions: 30
Questions
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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
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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
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3. Which of the following is considered the "brain" of the computer?
- a) CPU
- b) RAM
- c) Hard Drive
- d) Motherboard
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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
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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
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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
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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
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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
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9. Which of the following is an output device?
- a) Printer
- b) Keyboard
- c) Mouse
- d) Scanner
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10. Which of the following is an example of an input device?
- a) Printer
- b) Monitor
- c) Keyboard
- d) Speakers
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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
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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
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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
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14. Which type of memory is considered non-volatile and stores firmware data?
- a) Flash
- b) RAM
- c) Cache
- d) ROM
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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
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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
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17. Which type of device is used to display information visually?
- a) Printer
- b) Keyboard
- c) Monitor
- d) Mouse
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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
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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
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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
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21. Which of the following is an example of a storage device?
- a) Monitor
- b) Hard Drive
- c) CPU
- d) RAM
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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
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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
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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
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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
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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
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27. Which of the following is an example of an external storage device?
- a) USB Flash Drive
- b) RAM
- c) CPU
- d) Motherboard
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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
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29. Which type of memory is used to store the BIOS settings of a computer?
- a) Flash
- b) RAM
- c) ROM
- d) CMOS
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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
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