MCQ Quiz Questions on Computer Hardware Components

MCQ Quiz

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

• a) To store data permanently
• b) To perform calculations and execute instructions
• c) To provide network connectivity
• d) To manage power supply

Question 2. Which component is responsible for temporary data storage while a computer is running?

• a) Hard Drive
• b) RAM
• c) ROM
• d) SSD

Question 3. What does GPU stand for in computer hardware?

• a) General Processing Unit
• b) Graphics Processing Unit
• c) Global Processing Unit
• d) Graphics Performance Unit

Question 4. Which type of storage device uses flash memory?

• a) HDD
• b) SSD
• c) DVD
• d) Floppy Disk

Question 5. What is the main purpose of a motherboard?

• a) To cool the computer components
• b) To connect and allow communication between all components
• c) To store the operating system
• d) To provide power to the CPU

Question 6. Which component is often referred to as the "brain" of the computer?

• a) Hard Drive
• b) RAM
• c) CPU
• d) GPU

Question 7. What is the function of the power supply unit (PSU)?

• a) To regulate the computer's temperature
• b) To provide power to all components
• c) To store data permanently
• d) To manage the computer's input and output

Question 8. Which type of RAM is typically faster but more expensive?

• a) DRAM
• b) SRAM
• c) SDRAM
• d) DDR SDRAM

Question 9. What type of connector is commonly used for high-speed external drives?

• a) USB
• b) VGA
• c) HDMI
• d) RJ-45

Question 10. What is the primary role of the cooling system in a computer?

• a) To enhance the performance of the CPU
• b) To prevent overheating of components
• c) To provide data storage
• d) To improve network connectivity

Question 11. Which device converts digital signals to analog signals and vice versa?

• a) Modem
• b) Router
• c) Switch
• d) Hub

Question 12. What type of memory retains data even when the power is turned off?

• a) RAM
• b) ROM
• c) Cache
• d) Registers

Question 13. Which of the following is a type of optical storage medium?

• a) SSD
• b) HDD
• c) CD
• d) Flash Drive

Question 14. What does the acronym "BIOS" stand for?

• a) Basic Integrated Operating System
• b) Basic Input/Output System
• c) Binary Input/Output System
• d) Basic Information Operating System

Question 15. Which hardware component is essential for displaying images on a monitor?

• a) CPU
• b) RAM
• c) GPU
• d) PSU

Question 16. What is the purpose of a network interface card (NIC)?

• a) To connect to a display
• b) To connect to a network
• c) To provide additional storage
• d) To manage power supply

Question 17. Which type of hard drive uses spinning disks to read and write data?

• a) SSD
• b) NVMe
• c) HDD
• d) RAM

Question 18. What is the function of the cache memory in a CPU?

• a) To permanently store data
• b) To temporarily store frequently accessed data for quick access
• c) To manage input and output devices
• d) To provide backup power

Question 19. Which of the following is not a type of computer port?

• a) HDMI
• b) USB
• c) SATA
• d) FDD

Question 20. What type of monitor uses liquid crystals to display images?

• a) CRT
• b) LED
• c) LCD
• d) OLED

Question 21. Which component is responsible for reading and writing data on a hard disk?

• a) Actuator
• b) Read/Write Head
• c) Spindle
• d) Controller

Question 22. What type of storage provides the fastest data access speeds?

• a) HDD
• b) SSD
• c) Optical Disk
• d) Magnetic Tape

Question 23. Which component is essential for a computer to connect to a wireless network?

• a) Ethernet Port
• b) Bluetooth Adapter
• c) Wi-Fi Card
• d) USB Hub

Question 24. What is the primary role of the heat sink in a computer?

• a) To store data
• b) To increase processing speed
• c) To dissipate heat from the CPU
• d) To provide power

Question 25. Which of the following describes a graphics card?

• a) A device that stores data
• b) A component that enhances image rendering
• c) A part that connects to a monitor
• d) A device for inputting data

Question 26. What does RAID stand for in storage technology?

• a) Redundant Array of Inexpensive Drives
• b) Random Access Input Data
• c) Read Access Integrated Devices
• d) Redundant Array of Independent Disks

Question 27. Which component is responsible for translating the computer's instructions into signals that control peripheral devices?

• a) CPU
• b) Chipset
• c) Bus
• d) Memory

Question 28. What is the purpose of a sound card in a computer?

• a) To manage video output
• b) To improve audio quality
• c) To increase processing power
• d) To connect to the internet

Question 29. Which type of expansion slot is commonly used for modern graphics cards?

• a) PCI
• b) PCIe
• c) AGP
• d) ISA

Question 30. What is the main advantage of using SSDs over HDDs?

• a) Larger storage capacity
• b) Faster data access and transfer speeds
• c) Lower cost per gigabyte
• d) Longer lifespan