Top 20 Computer MCQs For OSSC LTR Teacher 25 November 2024

Q1. Which shortcut key is used to copy selected text in MS Word?
(a) Ctrl + X
(b) Ctrl + C
(c) Ctrl + V
(d) Ctrl + Z
Ans: (b) Ctrl + C
Sol: Ctrl + C is universally used to copy selected content in most applications, including MS Word.

Q2. In PowerPoint, which key is used to start a slideshow from the beginning?
(a) F5
(b) F1
(c) Shift + F5
(d) Ctrl + F5
Ans: (a) F5
Sol: Pressing F5 starts the slideshow from the first slide in PowerPoint.

Q3. Which of the following is NOT an Excel function?
(a) SUM
(b) AVERAGE
(c) CONCATENATE
(d) WRITE
Ans: (d) WRITE
Sol: WRITE is not a function in Excel; the other options are valid Excel functions.

Q4. What does URL stand for in Internet terminology?
(a) Uniform Resource Link
(b) Universal Resource Locator
(c) Uniform Resource Locator
(d) Universal Retrieval Link
Ans: (c) Uniform Resource Locator
Sol: URL is the unique address of a webpage on the Internet, enabling users to access it.

Q5. In which generation of computers were Integrated Circuits (ICs) introduced?
(a) First
(b) Second
(c) Third
(d) Fourth
Ans: (c) Third
Sol: Integrated Circuits (ICs) were introduced in the third generation of computers, significantly improving performance.

Q6. Which shortcut key is used to paste copied content in MS Word?
(a) Ctrl + P
(b) Ctrl + V
(c) Ctrl + S
(d) Ctrl + Shift + P
Ans: (b) Ctrl + V
Sol: Ctrl + V is the shortcut for pasting copied content in MS Word and other applications.

Q7. What is the default file extension for Excel 2010 files?
(a) .xls
(b) .xlsx
(c) .docx
(d) .pptx
Ans: (b) .xlsx
Sol: The default file extension for Excel files from 2007 onward is .xlsx.

Q8. Which shortcut key is used to create a new document in MS Word?
(a) Ctrl + N
(b) Ctrl + O
(c) Ctrl + D
(d) Ctrl + Shift + N
Ans: (a) Ctrl + N
Sol: Ctrl + N is used to create a new document in MS Word and other Office applications.

Q9. Which of the following layers is responsible for data encryption and decryption in the OSI model?
(a) Physical Layer
(b) Presentation Layer
(c) Session Layer
(d) Transport Layer
Ans: (b) Presentation Layer
Sol: The Presentation Layer handles data encryption and decryption to ensure secure communication.

Q10. In PowerPoint, which view is used to design and edit individual slides?
(a) Slide Show View
(b) Slide Sorter View
(c) Normal View
(d) Outline View
Ans: (c) Normal View
Sol: The Normal View is used to design and edit slides individually in PowerPoint.

Q11. Which key is used to save a document in most applications?
(a) Ctrl + P
(b) Ctrl + S
(c) Ctrl + W
(d) Ctrl + Shift + S
Ans: (b) Ctrl + S
Sol: Ctrl + S is the standard shortcut for saving a document.

Q12. In Excel, what does the function =LEN(A1) return?
(a) The sum of numbers in cell A1
(b) The number of characters in cell A1
(c) The maximum value in cell A1
(d) The average of cell A1
Ans: (b) The number of characters in cell A1
Sol: The LEN function returns the total number of characters, including spaces, in a specified cell.

Q13. What is the primary purpose of the application layer in the OSI model?
(a) Routing data packets
(b) Establishing end-user communication
(c) Error detection
(d) Formatting data
Ans: (b) Establishing end-user communication
Sol: The Application Layer provides services to the end user for direct communication with the system.

Q14. Which shortcut key is used to close an active window in Windows?
(a) Alt + Tab
(b) Alt + F4
(c) Ctrl + W
(d) Shift + Esc
Ans: (b) Alt + F4
Sol: Alt + F4 is used to close the currently active window in Windows.

Q15. Which of these is an output device?
(a) Keyboard
(b) Monitor
(c) Scanner
(d) Mouse
Ans: (b) Monitor
Sol: A monitor is an output device that displays information to the user.

Q16. Which generation of computers introduced Artificial Intelligence (AI)?
(a) Third
(b) Fourth
(c) Fifth
(d) Sixth
Ans: (c) Fifth
Sol: Fifth-generation computers focus on AI and machine learning technologies.

Q17. In PowerPoint, which shortcut key is used to duplicate a slide?
(a) Ctrl + D
(b) Ctrl + C
(c) Ctrl + X
(d) Ctrl + Shift + D
Ans: (a) Ctrl + D
Sol: Ctrl + D duplicates the selected slide in PowerPoint.

Q18. What does HTTP stand for?
(a) HyperText Transmission Protocol
(b) HyperText Transfer Protocol
(c) High Transfer Text Protocol
(d) Hyper Transfer Text Protocol
Ans: (b) HyperText Transfer Protocol
Sol: HTTP is the protocol used to transfer hypertext data between a client and server.

Q19. Which feature in MS Word allows you to check spelling and grammar?
(a) AutoText
(b) Spell Check
(c) Proofing Tools
(d) AutoFormat
Ans: (c) Proofing Tools
Sol: Proofing Tools in MS Word include spell check, grammar check, and thesaurus.

Q20. Which function in Excel is used to find the largest value in a range?
(a) AVERAGE
(b) MAX
(c) MIN
(d) COUNT
Ans: (b) MAX
Sol: The MAX function is used to find the highest value in a given range of cells.