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Lok Sewa Aayog Computer Engineering MCQs | Practice Questions for Computer Operator Exam

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Loksewa Aayog - Computer Operator MCQs

In this blog post, we delve into effective strategies and resources for preparing for the Lok Sewa Aayog exams, specifically focusing on the Computer Engineering section. Whether you're gearing up for the Computer Operator exam or other related positions, we provide a comprehensive collection of practice multiple-choice questions (MCQs) tailored to the exam's syllabus. With insights on commonly asked questions, key topics to focus on, and helpful tips for acing the test, this guide is designed to streamline your preparation and boost your confidence. Join us as we navigate the essential steps to succeeding in the Lok Sewa Aayog exams!

Lok Sewa Aayog Computer Engineering MCQs
Lok Sewa Aayog Computer Engineering MCQs


Loksewa Aayog - Computer Operator MCQs

1. What is the full form of CPU?

A) Central Processing Unit
B) Computer Processing Unit
C) Central Programming Unit
D) Central Process Utility
Answer: A) Central Processing Unit

2. Which key is used to refresh a webpage in most browsers?

A) F1
B) F5
C) F7
D) F9
Answer: B) F5

3. Which of the following is an example of an input device?

A) Monitor
B) Printer
C) Mouse
D) Speaker
Answer: C) Mouse

4. What does URL stand for?

A) Uniform Resource Locator
B) Universal Resource Locator
C) Uniform Retrieval Link
D) Universal Retrieval Link
Answer: A) Uniform Resource Locator

5. Which storage device uses optical technology to read and write data?

A) Hard Disk
B) CD/DVD
C) USB Drive
D) SSD
Answer: B) CD/DVD

6. What is the shortcut key for "Undo" in most applications?

A) Ctrl + Z
B) Ctrl + Y
C) Ctrl + U
D) Ctrl + X
Answer: A) Ctrl + Z

7. Which type of software is used to browse the internet?

A) Operating System
B) Browser
C) Compiler
D) Media Player
Answer: B) Browser

8. Which of the following is NOT an example of an operating system?

A) Linux
B) Windows
C) Android
D) Intel
Answer: D) Intel

9. What does RAM stand for?

A) Random Access Memory
B) Read Access Memory
C) Rapid Access Memory
D) Random Allocate Memory
Answer: A) Random Access Memory

10. Which is the main language used for webpage development?

A) Python
B) HTML
C) Java
D) C++
Answer: B) HTML

11. Which of the following file formats is used for images?

A) .exe
B) .jpg
C) .mp3
D) .doc
Answer: B) .jpg

12. What is the primary function of a router?

A) To store data
B) To connect multiple networks
C) To perform calculations
D) To format documents
Answer: B) To connect multiple networks

13. Which of the following is an example of a search engine?

A) Google
B) Firefox
C) Safari
D) Windows
Answer: A) Google

14. What is the purpose of a firewall in a computer system?

A) To increase processing speed
B) To protect against unauthorized access
C) To store large files
D) To optimize memory usage
Answer: B) To protect against unauthorized access

15. Which of the following is NOT a programming language?

A) Python
B) JavaScript
C) SQL
D) Excel
Answer: D) Excel

16. What does HTTP stand for?

A) Hyper Text Transmission Protocol
B) Hyper Text Transfer Protocol
C) High Transmission Text Protocol
D) High Transfer Text Protocol
Answer: B) Hyper Text Transfer Protocol

17. What is the binary representation of the decimal number 10?

A) 1010
B) 1001
C) 1100
D) 1110
Answer: A) 1010

18. Which device is used to connect multiple devices in a Local Area Network (LAN)?

A) Router
B) Hub
C) Modem
D) Switch
Answer: D) Switch

19. What is the main purpose of a cache in a computer system?

A) To increase disk storage
B) To store frequently accessed data
C) To optimize power consumption
D) To improve internet speed
Answer: B) To store frequently accessed data

20. What does IP in IP address stand for?

A) Internet Provider
B) Internal Protocol
C) Internet Protocol
D) Integrated Provider
Answer: C) Internet Protocol

21. Which key combination is used to permanently delete a file without sending it to the Recycle Bin?

A) Shift + Delete
B) Ctrl + Delete
C) Alt + Delete
D) Delete
Answer: A) Shift + Delete

22. What is the role of a compiler in programming?

A) To execute programs directly
B) To translate code into machine language
C) To debug errors in programs
D) To manage system resources
Answer: B) To translate code into machine language

23. Which of the following is an example of system software?

A) MS Word
B) Windows OS
C) Photoshop
D) Google Chrome
Answer: B) Windows OS

24. Which memory is non-volatile and retains data even when the computer is turned off?

A) RAM
B) ROM
C) Cache
D) Registers
Answer: B) ROM

25. What is the function of the Control Unit in the CPU?

A) To perform arithmetic operations
B) To control the flow of data
C) To store data temporarily
D) To connect the CPU to peripherals
Answer: B) To control the flow of data

26. What does DNS stand for?

A) Domain Name System
B) Data Network System
C) Digital Network Service
D) Dynamic Network Server
Answer: A) Domain Name System

27. Which of the following is an example of cloud storage?

A) Google Drive
B) External Hard Drive
C) CD-ROM
D) USB Stick
Answer: A) Google Drive

28. Which part of a computer is responsible for processing data?

A) RAM
B) CPU
C) Hard Drive
D) Motherboard
Answer: B) CPU

29. Which of the following is the primary function of an operating system?

A) To manage hardware resources
B) To play music
C) To store files
D) To browse the internet
Answer: A) To manage hardware resources

30. What does GUI stand for in computing?

A) General User Interface
B) Graphical User Interface
C) Generic User Interface
D) Global User Interface
Answer: B) Graphical User Interface

31. What does the acronym HTTP stand for?

A) Hyper Transfer Text Protocol
B) Hyper Text Transport Protocol
C) Hyper Text Transfer Protocol
D) High Transmission Text Protocol
Answer: C) Hyper Text Transfer Protocol

32. What type of computer memory is used to store the BIOS settings?

A) RAM
B) ROM
C) Cache
D) Flash Memory
Answer: B) ROM

33. Which of the following is used to cool the CPU?

A) Power Supply Unit
B) Heat Sink
C) Hard Drive
D) Fan
Answer: B) Heat Sink

34. Which of the following is NOT an example of a web browser?

A) Chrome
B) Firefox
C) Internet Explorer
D) Windows Explorer
Answer: D) Windows Explorer

35. Which protocol is commonly used to send emails?

A) FTP
B) HTTP
C) SMTP
D) POP3
Answer: C) SMTP

36. What is the main function of the Arithmetic Logic Unit (ALU)?

A) To perform calculations
B) To manage memory
C) To control input/output operations
D) To handle storage
Answer: A) To perform calculations

37. What does the term "bandwidth" refer to in networking?

A) The amount of data sent per second
B) The speed of a processor
C) The memory capacity
D) The number of devices on a network
Answer: A) The amount of data sent per second

38. What does the term "cache" refer to in computer systems?

A) A type of memory used for backup
B) A high-speed storage area
C) A type of software for encrypting data
D) A system for managing disk space
Answer: B) A high-speed storage area

39. Which of the following is NOT a type of computer port?

A) USB
B) HDMI
C) VGA
D) PDF
Answer: D) PDF

40. What is the purpose of the operating system's kernel?

A) To manage hardware and software interactions
B) To perform system backups
C) To provide user interfaces
D) To encrypt files
Answer: A) To manage hardware and software interactions

41. Which of the following is NOT an input device?

A) Mouse
B) Keyboard
C) Scanner
D) Printer
Answer: D) Printer

42. What is an IP address used for?

A) To connect to a wireless network
B) To identify a device on a network
C) To store files online
D) To manage email accounts
Answer: B) To identify a device on a network

43. Which of the following is a type of software virus?

A) Trojan
B) Firewall
C) Compiler
D) Browser
Answer: A) Trojan

44. What is a LAN?

A) Local Area Network
B) Large Area Network
C) Light Area Network
D) Long Area Network
Answer: A) Local Area Network

45. What is the main purpose of the operating system?

A) To run applications
B) To store data
C) To manage hardware resources
D) To protect against malware
Answer: C) To manage hardware resources

46. Which of the following is the function of the BIOS?

A) To manage file storage
B) To control hardware settings during boot
C) To run applications
D) To handle network communications
Answer: B) To control hardware settings during boot

47. What does the term "bit" represent in computing?

A) A basic unit of information
B) A type of memory
C) A programming language
D) A computer virus
Answer: A) A basic unit of information

48. What does the term "HTML" stand for?

A) Hyper Text Markup Language
B) Hyper Transfer Markup Language
C) High Text Markup Language
D) Hyper Text Machine Language
Answer: A) Hyper Text Markup Language

49. Which of the following is NOT a type of computer software?

A) Antivirus
B) Spreadsheet
C) Router
D) Operating System
Answer: C) Router

50. Which device is used to store data in a computer?

A) CPU
B) RAM
C) Hard Drive
D) Monitor
Answer: C) Hard Drive
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Techguruji66

Hello, our names are Darpan Rijal and Arpan Rijal, and we are from Nepal. We have been exploring and learning on the internet for more than 5 years. Both of us are persuing IT related courses. Also, we are part-time bloggers and YouTubers, sharing our knowledge and experiences with the world.

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