MCQ Questions With Answers

Computer Basic & MS Office MCQ (50 Questions)

1. What does CPU stand for?
A. Central Process Unit
B. Central Processing Unit
C. Computer Processing Unit
D. Control Processing Unit

Answer: B. Central Processing Unit

Explain: The CPU is the primary component of a computer that acts as its "brain," performing most of the processing inside the computer.

2. Which device is used to input data?
A. Monitor
B. Keyboard
C. Printer
D. Speaker

Answer: B. Keyboard

Explain: Keyboards allow users to type and enter data into the computer system.

3. Which device shows output?
A. Scanner
B. Monitor
C. Mouse
D. Keyboard

Answer: B. Monitor

Explain: A monitor is an output device that displays text, images, and video generated by the computer.

4. What does RAM stand for?
A. Random Access Memory
B. Read Access Memory
C. Run Access Memory
D. Read Active Memory

Answer: A. Random Access Memory

Explain: RAM is high-speed, volatile memory that the computer uses to hold data that the CPU is actively using.

5. What does ROM stand for?
A. Read Only Memory
B. Run Only Memory
C. Random Only Memory
D. Read Open Memory

Answer: A. Read Only Memory

Explain: ROM is non-volatile memory that retains its data even when the computer is turned off, typically storing the start-up instructions (BIOS).

6. MS Word is a ______.
A. Spreadsheet
B. Word Processor
C. Browser
D. Operating System

Answer: B. Word Processor

Explain: MS Word is a dedicated software application used for creating, editing, and formatting documents.

7. MS Excel is used for ______.
A. Word Processing
B. Spreadsheet
C. Presentation
D. Email

Answer: B. Spreadsheet

Explain: MS Excel is used for storing data in rows and columns and performing complex calculations.

8. MS PowerPoint is used for ______.
A. Presentation
B. Database
C. Programming
D. Internet

Answer: A. Presentation

Explain: PowerPoint is used to display data, text, and multimedia in the form of interactive slide shows.

9. Shortcut key to Save?
A. Ctrl + S
B. Ctrl + C
C. Ctrl + V
D. Ctrl + P

Answer: A. Ctrl + S

Explain: Saves the current file.

10. Shortcut key to Copy?
A. Ctrl + C
B. Ctrl + X
C. Ctrl + V
D. Ctrl + A

Answer: A. Ctrl + C

Explain: Copies selected text or items.

11. Shortcut key to Paste?
A. Ctrl + V
B. Ctrl + X
C. Ctrl + Z
D. Ctrl + S

Answer: A. Ctrl + V

Explain: Pastes the copied item.

12. Shortcut key to Cut?
A. Ctrl + X
B. Ctrl + C
C. Ctrl + V
D. Ctrl + Z

Answer: A. Ctrl + X

Explain: Removes the selection and places it on the clipboard.

13. Shortcut key for Undo?
A. Ctrl + Y
B. Ctrl + Z
C. Ctrl + U
D. Ctrl + D

Answer: B. Ctrl + Z

Explain: Reverses your last action.

14. Shortcut key for Select All?
A. Ctrl + A
B. Ctrl + B
C. Ctrl + D
D. Ctrl + F

Answer: A. Ctrl + A

Explain: Selects all text and objects in the active window.

15. Which tab inserts pictures in MS Word?
A. Home
B. Insert
C. Review
D. Layout

Answer: B. Insert

Explain: The Insert tab manages graphics and files.

16. Default extension of MS Word?
A. .docx
B. .pptx
C. .xlsx
D. .txt

Answer: A. .docx

Explain: .docx is the default XML-based format used by Microsoft Word.

17. Which device scans documents?
A. Printer
B. Scanner
C. Monitor
D. Keyboard

Answer: B. Scanner

Explain: A scanner optically reads images or physical documents and converts them into digital files.

18. Internet browser example?
A. Chrome
B. Word
C. Excel
D. Paint

Answer: A. Chrome

Explain: Google Chrome is a popular web browser.

19. MS Office was developed by?
A. Apple
B. Microsoft
C. Google
D. IBM

Answer: B. Microsoft

Explain: Microsoft Corporation developed MS Office.

20. Which is an input device?
A. Mouse
B. Monitor
C. Printer
D. Speaker

Answer: A. Mouse

Explain: The mouse is used to point, click, and interact with the graphical user interface.

21. Which part of computer is called the brain?
A. RAM
B. CPU
C. Monitor
D. Keyboard

Answer: B. CPU

Explain: The CPU is responsible for interpreting and executing commands, hence its title as the brain.

22. Which software is used to create presentations?
A. MS Word
B. MS Excel
C. MS PowerPoint
D. Paint

Answer: C. MS PowerPoint

Explain: PowerPoint allows users to design slide-based visual presentations.

23. Which tab is used to check spelling in MS Word?
A. Review
B. Insert
C. View
D. Layout

Answer: A. Review

Explain: The Review tab contains tools for spelling checks, word count, and comments.

24. Which device is used to move the cursor on screen?
A. Scanner
B. Mouse
C. Printer
D. Speaker

Answer: B. Mouse

Explain: Moving a physical mouse translates directly to cursor movement on the screen.

25. Which key deletes text to the left of cursor?
A. Delete
B. Backspace
C. Shift
D. Ctrl

Answer: B. Backspace

Explain: The Backspace key erases characters moving backward from the cursor's position.

26. Which option makes text bold in MS Word?
A. Ctrl + B
B. Ctrl + I
C. Ctrl + U
D. Ctrl + P

Answer: A. Ctrl + B

Explain: Pressing Ctrl + B adds bold weight to the highlighted characters.

27. Which option makes text italic?
A. Ctrl + B
B. Ctrl + I
C. Ctrl + U
D. Ctrl + Z

Answer: B. Ctrl + I

Explain: Italicizes the text to provide emphasis.

28. Which option underlines text?
A. Ctrl + U
B. Ctrl + I
C. Ctrl + B
D. Ctrl + A

Answer: A. Ctrl + U

Explain: Underlines the selected text in the document.

29. Which tab is used to change page margins?
A. Layout
B. Home
C. Review
D. View

Answer: A. Layout

Explain: The Layout tab in MS Office controls orientation, page sizes, and margin spacing.

30. Which device stores data permanently?
A. RAM
B. Hard Disk
C. Cache
D. Register

Answer: B. Hard Disk

Explain: Hard Disk is the main non-volatile data storage hardware on a PC.

31. Which program is used to draw pictures?
A. Paint
B. Excel
C. Word
D. PowerPoint

Answer: A. Paint

Explain: MS Paint is a simple graphics/drawing utility built into Windows.

32. Which key moves cursor to next line?
A. Tab
B. Enter
C. Shift
D. Ctrl

Answer: B. Enter

Explain: The Enter key acts as a line break.

33. Which key is used to insert space?
A. Spacebar
B. Shift
C. Tab
D. Ctrl

Answer: A. Spacebar

Explain: Adds an empty space.

34. MS Excel files are called?
A. Documents
B. Workbooks
C. Slides
D. Pictures

Answer: B. Workbooks

Explain: A file created in MS Excel is referred to as a workbook, which can contain multiple individual worksheets.

35. PowerPoint presentations contain?
A. Pages
B. Sheets
C. Slides
D. Rows

Answer: C. Slides

Explain: Individual pages in a PowerPoint presentation are called slides.

36. Which menu contains copy and paste commands?
A. Home
B. View
C. Insert
D. Review

Answer: A. Home

Explain: The Home tab holds the most common commands, including the clipboard group.

37. Which company developed Windows?
A. Apple
B. Microsoft
C. IBM
D. Google

Answer: B. Microsoft

Explain: Windows is an operating system family developed and sold by Microsoft.

38. Which device records voice?
A. Microphone
B. Speaker
C. Printer
D. Scanner

Answer: A. Microphone

Explain: A microphone captures audio and translates it into digital signals.

39. Which key refreshes a webpage?
A. F5
B. F1
C. F2
D. F3

Answer: A. F5

Explain: The F5 function key reloads web browsers and desktop directories.

40. Which device converts digital data to printed form?
A. Scanner
B. Printer
C. Monitor
D. Speaker

Answer: B. Printer

Explain: Printers create hard copies from soft copy documents.

41. What does USB stand for?
A. Universal Serial Bus
B. United Serial Bus
C. Universal System Bus
D. Unique Serial Bus

Answer: A. Universal Serial Bus

Explain: USB is the industry standard for cables, connectors, and protocols used for connection.

42. Which storage device is portable?
A. Hard Disk
B. USB Flash Drive
C. CPU
D. RAM

Answer: B. USB Flash Drive

Explain: USB flash drives are small, portable storage tools.

43. In MS Word, which option aligns text to center?
A. Left Align
B. Center Align
C. Right Align
D. Justify

Answer: B. Center Align

Explain: Centers the text horizontally between the left and right margins.

44. Which tab is used to insert tables in Word?
A. Home
B. Insert
C. Layout
D. View

Answer: B. Insert

Explain: The Insert tab is used for tables, pictures, shapes, and charts.

45. Which shortcut key opens a new document in MS Word?
A. Ctrl + N
B. Ctrl + O
C. Ctrl + P
D. Ctrl + W

Answer: A. Ctrl + N

Explain: Ctrl + N launches a blank new document.

46. Which shortcut key opens an existing file?
A. Ctrl + O
B. Ctrl + N
C. Ctrl + S
D. Ctrl + P

Answer: A. Ctrl + O

Explain: Opens the dialog box to locate and open an existing file.

47. Which device is used to store large amounts of data?
A. Hard Disk
B. RAM
C. Cache
D. Register

Answer: A. Hard Disk

Explain: Hard disk drives (HDD) offer high-capacity persistent storage.

48. 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

Explain: LAN networks connect devices within a limited geographical area, like a home or office.

49. What does WAN stand for?
A. Wide Area Network
B. Web Area Network
C. World Area Network
D. Work Area Network

Answer: A. Wide Area Network

Explain: WAN networks cover a broad area, such as a country, continent, or the entire globe.

50. Which key is used to cancel an operation?
A. Esc
B. Enter
C. Shift
D. Ctrl

Answer: A. Esc

Explain: The Escape (Esc) key is used to exit out of or cancel operations and dialog boxes.

51. Which key is used to move cursor to next tab position?
A. Shift
B. Tab
C. Ctrl
D. Alt

Answer: B. Tab

Explain: The Tab key moves the cursor to preset tab stops.

52. Which software manages computer hardware?
A. Operating System
B. Word Processor
C. Browser
D. Spreadsheet

Answer: A. Operating System

Explain: An OS acts as an intermediary between the hardware and software applications.

53. Windows is an example of?
A. Operating System
B. Application Software
C. Hardware
D. Programming Language

Answer: A. Operating System

Explain: Windows manages overall system resources.

54. Which part of computer stores data temporarily?
A. RAM
B. ROM
C. Hard Disk
D. CD

Answer: A. RAM

Explain: RAM holds data while the computer is active, clearing upon reset.

55. Which part stores data permanently?
A. ROM
B. RAM
C. Cache
D. Register

Answer: A. ROM

Explain: ROM stores persistent startup information.

56. What does WWW stand for?
A. World Wide Web
B. World Web Wide
C. Web World Wide
D. Wide Web World

Answer: A. World Wide Web

Explain: It forms the information space where documents and resources are identified by URLs.

57. Which program is used to browse the internet?
A. Browser
B. Word
C. Excel
D. Paint

Answer: A. Browser

Explain: A web browser retrieves and displays web pages.

58. Example of a web browser?
A. Chrome
B. Word
C. Excel
D. PowerPoint

Answer: A. Chrome

Explain: A commonly used internet browser.

59. Which key combination locks the computer?
A. Windows + L
B. Windows + R
C. Windows + E
D. Windows + D

Answer: A. Windows + L

Explain: This shortcut quickly locks your Windows session.

60. Which device connects computer to internet?
A. Modem
B. Printer
C. Scanner
D. Monitor

Answer: A. Modem

Explain: A modem modulates and demodulates signals to transmit internet data.

61. Which shortcut key is used to print a document?
A. Ctrl + P
B. Ctrl + S
C. Ctrl + O
D. Ctrl + N

Answer: A. Ctrl + P

Explain: Opens the Print dialog window.

62. In MS Word, which tab contains font formatting options?
A. Home
B. Insert
C. Review
D. View

Answer: A. Home

Explain: The Home tab contains the Font group for style, size, and color changes.

63. Which device is used to hear sound from the computer?
A. Speaker
B. Printer
C. Scanner
D. Monitor

Answer: A. Speaker

Explain: Speakers convert audio signals into sound waves.

64. What is the full form of PDF?
A. Portable Document Format
B. Personal Document File
C. Public Data File
D. Print Data Format

Answer: A. Portable Document Format

Explain: Developed by Adobe, this format preserves document formatting across platforms.

65. Which menu in MS Word is used to insert header and footer?
A. Insert
B. Home
C. Layout
D. Review

Answer: A. Insert

Explain: The Header & Footer options are located in the Insert menu tab.

66. Which key is used to delete text to the right of the cursor?
A. Delete
B. Backspace
C. Shift
D. Ctrl

Answer: A. Delete

Explain: The delete key removes characters forward from the current position.

67. Which file extension is used for Excel files?
A. .xlsx
B. .docx
C. .pptx
D. .txt

Answer: A. .xlsx

Explain: The standard modern file extension for Excel workbooks.

68. Which MS Office program is used for calculations?
A. Excel
B. Word
C. PowerPoint
D. Outlook

Answer: A. Excel

Explain: Specialized program designed to work with grids, formulas, and functions.

69. Which key combination is used to redo an action?
A. Ctrl + Y
B. Ctrl + Z
C. Ctrl + X
D. Ctrl + V

Answer: A. Ctrl + Y

Explain: Reverses the undo action.

70. Which option is used to find a word in MS Word?
A. Ctrl + F
B. Ctrl + H
C. Ctrl + G
D. Ctrl + B

Answer: A. Ctrl + F

Explain: Find the words in Document.

71. Which key combination opens Task Manager in Windows?
A. Ctrl + Shift + Esc
B. Ctrl + Alt + Del
C. Ctrl + Esc
D. Alt + Tab

Answer: A. Ctrl + Shift + Esc

Explain: Opens the Task Manager directly, bypassing the security screen.

72. Which MS Office application is used to manage emails?
A. Outlook
B. Word
C. Excel
D. Access

Answer: A. Outlook

Explain: An email client and personal information manager.

73. Which device converts hard copy to soft copy?
A. Scanner
B. Printer
C. Monitor
D. Speaker

Answer: A. Scanner

Explain: Scanners turn physical papers into digital documents.

74. What does GUI stand for?
A. Graphical User Interface
B. General User Internet
C. Graphic Universal Interface
D. Global User Interface

Answer: A. Graphical User Interface

Explain: GUI allows users to interact with devices through graphical icons.

75. Which key is used to refresh the desktop?
A. F5
B. F1
C. F2
D. F3

Answer: A. F5

Explain: Refreshes file or folder views in the workspace.

76. Which key is used to rename a file in Windows?
A. F2
B. F3
C. F4
D. F5

Answer: A. F2

Explain: F2 is the standard shortcut to rename a selected file.

77. Which device provides backup power to computer?
A. UPS
B. CPU
C. Printer
D. Monitor

Answer: A. UPS

Explain: Uninterruptible Power Supply provides short-term battery power during outages.

78. Which MS Office application is used to create databases?
A. Access
B. Word
C. Excel
D. PowerPoint

Answer: A. Access

Explain: Microsoft Access is a Database Management System (DBMS) to store and query large datasets.

79. Which key combination minimizes all open windows?
A. Windows + D
B. Windows + E
C. Windows + R
D. Windows + L

Answer: A. Windows + D

Explain: Hides or shows the desktop instantly.

80. Which key opens the Run dialog box?
A. Windows + R
B. Windows + E
C. Windows + D
D. Windows + L

Answer: A. Windows + R

Explain: opens the "Run" command box.