General Knowledge : Computer Hardware and Computer Software: MCQ
Contents:
4. **Computer Hardware:**
1. CPU stands for Central Processing Unit, which processes instructions and performs calculations.
2. GPU stands for Graphics Processing Unit, which is responsible for rendering graphics on a computer.
3. RAM stands for Random Access Memory, which temporarily stores data and program instructions that the CPU needs while performing tasks.
4. SSD stands for Solid State Drive, a type of storage device that uses flash memory to store data.
5. HDD stands for Hard Disk Drive, a traditional magnetic storage device used for storing data.
6. USB stands for Universal Serial Bus, a standard interface used for connecting peripherals to computers.
7. HDMI stands for High-Definition Multimedia Interface, used for transmitting audio and video signals between devices.
8. Wi-Fi stands for Wireless Fidelity, a technology that allows devices to connect to the internet wirelessly.
9. Bluetooth is a wireless technology used for exchanging data between devices over short distances.
10. A motherboard is the main circuit board of a computer that houses the CPU, RAM, and other components.
**Computer Software:**
11. Operating System (OS) is software that manages computer hardware and software resources and provides common services for computer programs.
12. Microsoft Windows, macOS, and Linux are examples of popular operating systems.
13. Microsoft Office is a suite of productivity applications, including Word, Excel, and PowerPoint.
14. Adobe Photoshop is a popular software used for editing and manipulating images.
15. Web browsers such as Google Chrome, Mozilla Firefox, and Safari are used to access websites on the Internet.
16. Antivirus software is used to protect computers from viruses, malware, and other threats.
17. Programming languages like Python, Java, and C++ are used to create software and applications.
18. Open-source software is software that is distributed with its source code, allowing users to modify and distribute it freely.
19. Cloud computing allows users to access computing resources and services over the internet.
20. Virtualization software allows multiple operating systems to run on the same physical computer.
Here are multiple-choice questions (MCQs) based on the provided definitions of technology-related terms, along with their solutions:
**1. What does CPU stand for?**
A) Computer Power Unit
B) Central Processing Unit
C) Core Processing Unit
D) Circuit Processing Unit
**Answer: B) Central Processing Unit**
**2. Which component is responsible for rendering graphics on a computer?**
A) CPU
B) RAM
C) GPU
D) SSD
**Answer: C) GPU (Graphics Processing Unit)**
**3. What does RAM stand for?**
A) Random Access Memory
B) Read-Only Memory
C) Rapid Access Memory
D) Remote Access Memory
**Answer: A) Random Access Memory**
**4. Which type of storage device uses flash memory to store data?**
A) HDD
B) SSD
C) USB
D) RAM
**Answer: B) SSD (Solid State Drive)**
**5. What does HDD stand for?**
A) Hard Data Drive
B) High-Density Disk
C) Hard Disk Drive
D) Hybrid Data Device
**Answer: C) Hard Disk Drive**
**6. Which standard interface is used for connecting peripherals to computers?**
A) USB
B) HDMI
C) Wi-Fi
D) Bluetooth
**Answer: A) USB (Universal Serial Bus)**
**7. What does HDMI stand for?**
A) High-Definition Multimedia Input
B) High-Definition Media Interface
C) High-Definition Multimedia Interface
D) Hyper-Digital Multimedia Interface
**Answer: C) High-Definition Multimedia Interface**
**8. What does Wi-Fi stand for?**
A) Wireless Fiber
B) Wireless Fidelity
C) Wired Fidelity
D) Wired Fiber
**Answer: B) Wireless Fidelity**
**9. Which technology is used for exchanging data between devices over short distances?**
A) USB
B) HDMI
C) Wi-Fi
D) Bluetooth
**Answer: D) Bluetooth**
**10. What is a motherboard?**
A) A device used for wireless internet
B) The main circuit board of a computer
C) A type of CPU
D) A storage device
**Answer: B) The main circuit board of a computer**
Computer Software MCQ
**11. What is the main function of an Operating System (OS)?**
A) Provides internet connectivity
B) Manages computer hardware and software resources
C) Edits images and graphics
D) Plays multimedia files
**Answer: B) Manages computer hardware and software resources**
**12. Which of the following are examples of popular operating systems?**
A) Google Chrome
B) Microsoft Office
C) macOS
D) Adobe Photoshop
**Answer: C) macOS**
**13. Which software suite includes applications like Word, Excel, and PowerPoint?**
A) Microsoft Windows
B) Adobe Creative Suite
C) Microsoft Office
D) Google Suite
**Answer: C) Microsoft Office**
**14. What is Adobe Photoshop commonly used for?**
A) Writing documents
B) Editing and manipulating images
C) Creating spreadsheets
D) Browsing the internet
**Answer: B) Editing and manipulating images**
**15. Which software category includes Google Chrome, Mozilla Firefox, and Safari?**
A) Antivirus software
B) Operating systems
C) Web browsers
D) Programming languages
**Answer: C) Web browsers**
**16. What is the primary purpose of antivirus software?**
A) Editing documents
B) Protecting computers from viruses and malware
C) Running multiple operating systems
D) Accessing cloud resources
**Answer: B) Protecting computers from viruses and malware**
**17. Which of the following are programming languages used to create software and applications?**
A) Microsoft Excel
B) Adobe Illustrator
C) Python, Java, and C++
D) Google Drive
**Answer: C) Python, Java, and C++**
**18. What is open-source software?**
A) Software that requires a license to use
B) Software distributed with its source code for free modification and distribution
C) Software designed for graphical editing
D) Software used for cloud computing
**Answer: B) Software distributed with its source code for free modification and distribution**
**19. What does cloud computing allow users to do?**
A) Access computing resources and services over the internet
B) Create and edit documents offline
C) Protect against viruses and malware
D) Run multiple operating systems simultaneously
**Answer: A) Access computing resources and services over the internet**
**20. What does virtualization software allow users to do?**
A) Edit images and graphics
B) Run multiple operating systems on the same physical computer
C) Access web-based applications
D) Protect data from unauthorized access
**Answer: B) Run multiple operating systems on the same physical computer**
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