Computer Fundamentals MCQ
Here are 25 multiple-choice questions (MCQs) on computer fundamentals, along with their answers:
1. Which of the following is the brain of the computer?
a) CPU
b) Memory
c) ALU
d) Control Unit
**Answer: a) CPU**
2. What does RAM stand for?
a) Random Access Memory
b) Read Access Memory
c) Read And Modify
d) Randomly Accessed Memory
**Answer: a) Random Access Memory**
3. Which of the following is a permanent memory?
a) RAM
b) ROM
c) Cache
d) Register
**Answer: b) ROM**
4. What does GUI stand for?
a) Graphical User Interface
b) General User Interface
c) Graphical Unified Interface
d) General Unified Interface
**Answer: a) Graphical User Interface**
5. Which of the following is an input device?
a) Monitor
b) Printer
c) Keyboard
d) Speaker
**Answer: c) Keyboard**
6. What does HTML stand for?
a) Hyper Text Markup Language
b) Hyperlinks Text Markup Language
c) Hyper Tool Markup Language
d) Hyper Text Markup Link
**Answer: a) Hyper Text Markup Language**
7. Which of the following is not an operating system?
a) Windows
b) Linux
c) Mac OS
d) Oracle
**Answer: d) Oracle**
8. Which key is used to delete characters to the left of the cursor?
a) Delete
b) Backspace
c) Insert
d) End
**Answer: b) Backspace**
9. What is the shortcut key for copying text in most applications?
a) Ctrl + C
b) Ctrl + V
c) Ctrl + X
d) Ctrl + Z
**Answer: a) Ctrl + C**
10. What does HTTP stand for?
a) Hyper Text Transfer Protocol
b) Hyper Text Transmission Protocol
c) Hyperlink Text Transfer Protocol
d) Hyper Tool Transfer Protocol
**Answer: a) Hyper Text Transfer Protocol**
11. Which of the following is a type of network topology?
a) Star
b) Circle
c) Rectangle
d) Square
**Answer: a) Star**
12. What is the main function of the ALU?
a) Store data
b) Perform arithmetic and logical operations
c) Control data flow
d) Manage memory
**Answer: b) Perform arithmetic and logical operations**
13. Which of the following is not a programming language?
a) Python
b) Java
c) C++
d) Microsoft Word
**Answer: d) Microsoft Word**
14. What does PDF stand for?
a) Portable Document Format
b) Personal Document Format
c) Public Document File
d) Printable Document Format
**Answer: a) Portable Document Format**
15. Which of the following is not a type of computer virus?
a) Trojan Horse
b) Worm
c) Spyware
d) Debugger
**Answer: d) Debugger**
16. What is the main page of a website called?
a) Home Page
b) Index Page
c) Start Page
d) Main Page
**Answer: a) Home Page**
17. Which of the following is a storage device?
a) Mouse
b) Hard Disk
c) Monitor
d) Keyboard
**Answer: b) Hard Disk**
18. Which protocol is used to send email?
a) HTTP
b) FTP
c) SMTP
d) IMAP
**Answer: c) SMTP**
19. What does BIOS stand for?
a) Basic Input Output System
b) Binary Input Output System
c) Basic Interactive Output System
d) Basic Input Operating System
**Answer: a) Basic Input Output System**
20. Which of the following is a web browser?
a) Google Chrome
b) Microsoft Word
c) Adobe Reader
d) Windows Explorer
**Answer: a) Google Chrome**
21. What is the primary purpose of an operating system?
a) To manage hardware resources
b) To run applications
c) To store data
d) To control peripherals
**Answer: a) To manage hardware resources**
22. Which of the following is an example of an open-source operating system?
a) Windows
b) macOS
c) Linux
d) iOS
**Answer: c) Linux**
23. What does LAN stand for?
a) Local Area Network
b) Large Area Network
c) Long Area Network
d) Local Access Network
**Answer: a) Local Area Network**
24. Which device is used to connect multiple computers within a LAN?
a) Router
b) Switch
c) Modem
d) Hub
**Answer: b) Switch**
25. What does URL stand for?
a) Uniform Resource Locator
b) Uniform Resource Link
c) Uniform Relocation Locator
d) Uniform Resource Line
**Answer: a) Uniform Resource Locator**
26. Which part of the computer is responsible for executing instructions?
a) RAM
b) Hard Disk
c) CPU
d) ROM
**Answer: c) CPU**
27. Which of the following is not a type of memory?
a) SSD
b) RAM
c) ROM
d) Cache
**Answer: a) SSD**
28. What does VGA stand for?
a) Video Graphics Adapter
b) Visual Graphics Array
c) Video Graphics Array
d) Visual Graphics Adapter
**Answer: c) Video Graphics Array**
29. What is the function of a firewall?
a) To manage system memory
b) To protect against unauthorized access
c) To increase processing speed
d) To manage files
**Answer: b) To protect against unauthorized access**
30. Which of the following is an example of a database management system?
a) Oracle
b) Excel
c) PowerPoint
d) Photoshop
**Answer: a) Oracle**
31. What does SSD stand for?
a) Solid State Disk
b) Solid State Drive
c) Secure Storage Disk
d) Secure State Drive
**Answer: b) Solid State Drive**
32. What is the shortcut key for pasting text in most applications?
a) Ctrl + C
b) Ctrl + V
c) Ctrl + X
d) Ctrl + Z
**Answer: b) Ctrl + V**
33. What does IP stand for in networking?
a) Internet Protocol
b) Internal Protocol
c) Interconnected Protocol
d) Intermittent Protocol
**Answer: a) Internet Protocol**
34. Which type of software is used to create text documents?
a) Spreadsheet software
b) Database software
c) Word processor software
d) Presentation software
**Answer: c) Word processor software**
35. What does ISP stand for?
a) Internet Service Provider
b) Internal Service Provider
c) International Service Provider
d) Integrated Service Provider
**Answer: a) Internet Service Provider**
36. What is the function of a router?
a) To connect multiple networks
b) To store data
c) To manage power supply
d) To process data
**Answer: a) To connect multiple networks**
37. Which of the following is not an example of an operating system?
a) Windows
b) Linux
c) Android
d) Firefox
**Answer: d) Firefox**
38. What does DNS stand for?
a) Domain Name System
b) Digital Network System
c) Domain Network Service
d) Digital Name Service
**Answer: a) Domain Name System**
39. Which device is used to display information from a computer?
a) Keyboard
b) Monitor
c) Mouse
d) Printer
**Answer: b) Monitor**
40. What is the function of a compiler?
a) To translate high-level language into machine code
b) To translate machine code into high-level language
c) To execute programs
d) To store data
**Answer: a) To translate high-level language into machine code**
41. What does FTP stand for?
a) File Transfer Protocol
b) File Transmission Protocol
c) Fast Transfer Protocol
d) Fast Transmission Protocol
**Answer: a) File Transfer Protocol**
42. Which of the following is a type of malware?
a) Antivirus
b) Spyware
c) Firewall
d) Router
**Answer: b) Spyware**
43. Which of the following is not an input device?
a) Mouse
b) Scanner
c) Microphone
d) Speaker
**Answer: d) Speaker**
44. What does CAD stand for?
a) Computer-Aided Design
b) Computer Automated Design
c) Computer-Assisted Design
d) Computer Access Design
**Answer: a) Computer-Aided Design**
45. What is the primary function of an operating system?
a) To perform calculations
b) To manage hardware and software resources
c) To edit documents
d) To browse the internet
**Answer: b) To manage hardware and software resources**
46. Which of the following is a programming language?
a) HTML
b) Python
c) SQL
d) XML
**Answer: b) Python**
47. What does URL stand for?
a) Uniform Resource Locator
b) Universal Resource Locator
c) Uniform Resource Link
d) Universal Resource Link
**Answer: a) Uniform Resource Locator**
48. Which of the following is not a type of software license?
a) Freeware
b) Shareware
c) Hardware
d) Open Source
**Answer: c) Hardware**
49. What does the acronym BIOS stand for?
a) Basic Input Output System
b) Binary Input Output System
c) Basic Interactive Output System
d) Basic Integrated Output System
**Answer: a) Basic Input Output System**
50. What is the purpose of a backup?
a) To improve system performance
b) To protect data from loss
c) To upgrade software
d) To install new hardware
**Answer: b) To protect data from loss**
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