20 Personal Computer Quiz Questions and Answers

A personal computer, commonly known as a PC, is a versatile electronic device designed for individual use, offering powerful capabilities in a compact form. At its core, it features a central processing unit (CPU) that executes instructions, paired with random access memory (RAM) for quick data handling and storage options like hard drives or solid-state drives for long-term file retention. Input devices, such as keyboards, mice, and touchscreens, enable user interaction, while output components like monitors, speakers, and printers deliver results. Personal computers run on operating systems like Windows, macOS, or Linux, allowing seamless multitasking for activities ranging from web browsing and video editing to gaming and virtual meetings. With advancements in portability and performance, they have become essential tools for work, education, and entertainment in everyday life.

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Part 1: OnlineExamMaker – Generate and share personal computer quiz with AI automatically

OnlineExamMaker is a powerful AI-powered assessment platform to create auto-grading personal computer assessments. It’s designed for educators, trainers, businesses, and anyone looking to generate engaging quizzes without spending hours crafting questions manually. The AI Question Generator feature allows you to input a topic or specific details, and it generates a variety of question types automatically.

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● Prevent cheating by randomizing questions or changing the order of questions, so learners don’t get the same set of questions each time.
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● Embed quizzes on websites, blogs, or share via email, social media (Facebook, Twitter), or direct links.
● Handles large-scale testing (thousands of exams/semester) without internet dependency, backed by cloud infrastructure.

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Part 2: 20 personal computer quiz questions & answers

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1. Question: What is the primary function of the CPU in a personal computer?
Options:
A. To store data permanently
B. To process instructions and perform calculations
C. To display images on the screen
D. To connect to the internet
Correct Answer: B
Explanation: The CPU, or Central Processing Unit, acts as the brain of the computer, executing instructions from programs by performing arithmetic, logical, control, and input/output operations.

2. Question: What does RAM stand for in the context of personal computers?
Options:
A. Random Access Memory
B. Read Access Memory
C. Rapid Application Module
D. Remote Access Machine
Correct Answer: A
Explanation: RAM is a type of computer memory that can be accessed randomly and is used for temporarily storing data that the CPU needs quick access to while running programs.

3. Question: Which component of a personal computer is responsible for long-term data storage?
Options:
A. CPU
B. Hard Disk Drive (HDD) or Solid State Drive (SSD)
C. Motherboard
D. Power Supply Unit
Correct Answer: B
Explanation: HDD or SSD serves as the primary storage device, retaining data even when the computer is turned off, unlike temporary memory like RAM.

4. Question: What is the main difference between HDD and SSD?
Options:
A. HDD is faster than SSD
B. SSD uses mechanical parts while HDD uses flash memory
C. HDD is more expensive than SSD
D. SSD has no moving parts and is generally faster than HDD
Correct Answer: D
Explanation: SSDs use flash memory with no moving parts, making them faster and more durable than HDDs, which rely on spinning disks.

5. Question: Which operating system is commonly used in personal computers and developed by Microsoft?
Options:
A. macOS
B. Linux
C. Windows
D. Android
Correct Answer: C
Explanation: Windows is Microsoft’s operating system designed for personal computers, providing a user interface and managing hardware resources.

6. Question: What does the BIOS do when a personal computer starts up?
Options:
A. Installs new software
B. Performs a power-on self-test and initializes hardware
C. Connects to the internet
D. Deletes temporary files
Correct Answer: B
Explanation: The BIOS (Basic Input/Output System) checks hardware components and loads the operating system during the boot process.

7. Question: Which port is commonly used to connect a keyboard or mouse to a personal computer?
Options:
A. HDMI
B. USB
C. Ethernet
D. VGA
Correct Answer: B
Explanation: USB (Universal Serial Bus) ports are standard for connecting peripherals like keyboards and mice, allowing for easy plug-and-play functionality.

8. Question: What is the purpose of a graphics card in a personal computer?
Options:
A. To process audio
B. To handle video and image rendering
C. To manage network connections
D. To store files
Correct Answer: B
Explanation: A graphics card, or GPU, is dedicated to rendering images, videos, and graphics-intensive tasks, improving visual performance.

9. Question: Which file system is commonly used by Windows operating systems on personal computers?
Options:
A. NTFS
B. HFS+
C. ext4
D. APFS
Correct Answer: A
Explanation: NTFS (New Technology File System) is the default file system for Windows, offering features like file compression, encryption, and large file support.

10. Question: What type of software is used to protect a personal computer from viruses?
Options:
A. Antivirus software
B. Web browser
C. Media player
D. Word processor
Correct Answer: A
Explanation: Antivirus software detects, prevents, and removes malicious software like viruses, ensuring the security of the computer system.

11. Question: How does a personal computer’s motherboard function?
Options:
A. It stores data
B. It connects all hardware components and allows them to communicate
C. It displays output
D. It provides power
Correct Answer: B
Explanation: The motherboard is the main circuit board that houses the CPU, RAM, and other components, facilitating data transfer between them.

12. Question: What is the role of the power supply unit (PSU) in a personal computer?
Options:
A. To process data
B. To convert AC power to DC power for the computer’s components
C. To cool the system
D. To store programs
Correct Answer: B
Explanation: The PSU converts alternating current (AC) from the wall outlet to direct current (DC) required by the computer’s internal components.

13. Question: Which component helps in cooling a personal computer?
Options:
A. Fan or heat sink
B. Hard drive
C. Monitor
D. Keyboard
Correct Answer: A
Explanation: Fans and heat sinks dissipate heat generated by components like the CPU, preventing overheating and potential damage.

14. Question: What is cloud storage in the context of personal computers?
Options:
A. A physical hard drive inside the computer
B. Online storage space accessed via the internet
C. A type of RAM
D. A software application
Correct Answer: B
Explanation: Cloud storage allows users to save and access data remotely on servers over the internet, rather than on local hardware.

15. Question: Which term describes the physical components of a personal computer?
Options:
A. Software
B. Hardware
C. Firmware
D. Data
Correct Answer: B
Explanation: Hardware refers to the tangible parts of a computer, such as the CPU, monitor, and keyboard, as opposed to intangible software.

16. Question: What does an IP address do in a personal computer network?
Options:
A. Identifies a specific device on a network
B. Stores files
C. Processes emails
D. Displays web pages
Correct Answer: A
Explanation: An IP (Internet Protocol) address is a unique identifier assigned to each device on a network, enabling data routing and communication.

17. Question: Which type of memory is volatile and loses data when the computer is turned off?
Options:
A. ROM
B. RAM
C. Hard drive
D. Flash drive
Correct Answer: B
Explanation: RAM is volatile memory, meaning it temporarily holds data for active use but erases it when power is lost.

18. Question: What is the function of a firewall in a personal computer?
Options:
A. To speed up internet browsing
B. To monitor and control incoming and outgoing network traffic for security
C. To edit documents
D. To play music
Correct Answer: B
Explanation: A firewall acts as a barrier between a trusted internal network and untrusted external networks, preventing unauthorized access.

19. Question: Which expansion slot is commonly used for adding graphics cards in personal computers?
Options:
A. PCIe
B. USB
C. SATA
D. HDMI
Correct Answer: A
Explanation: PCIe (Peripheral Component Interconnect Express) slots allow for high-speed connections, making them ideal for installing graphics cards and other peripherals.

20. Question: What is the purpose of an operating system’s kernel in a personal computer?
Options:
A. To manage user interfaces
B. To handle core system functions like memory and process management
C. To run applications directly
D. To connect to printers
Correct Answer: B
Explanation: The kernel is the core part of the operating system that manages hardware resources, such as CPU time, memory, and I/O devices, ensuring efficient operation.

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Part 3: AI Question Generator – Automatically create questions for your next assessment

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