Explanation

• To edit or rename a file or folder, simply hit F2 when your file is selected.

Additional information:

Key Function Keys (F1–F12)

1. F1 – Opens Help
2. F2 – Rename selected file/folder (Windows) / Edit active cell (Excel)
3. F3 – Opens Search
4. F4 – Alt + F4 closes the active window
5. F5 – Refreshes browser / Starts Slide Show in PowerPoint
6. F6 – Moves to the next pane in Microsoft Word
7. F7 – Spelling & Grammar Check
8. F8 – Enables Extend Mode in Excel
9. F9 – Updates/Refreshes fields in Microsoft Word
10. F10 – Activates the Menu Bar
11. F11 – Full-screen mode in browsers
12. F12 – Save As in Microsoft Word

Last verified on 09-07-2026

Explanation

1. Sentence Case
2. Lowercase
3. Uppercase
4. Title Case
5. Toggle Case

Last verified on 10-08-2026

Explanation

• .pptx → Default PowerPoint Presentation (2007 and later)
• ppt → PowerPoint Presentation (97–2003)

Additional information:

• .ppsx → PowerPoint Show (opens directly as a slideshow)
• .potx → PowerPoint Template
• .pptm → Macro-enabled Presentation

Last verified on 11-07-2026

Explanation

• The shortcut key to print a document is Ctrl + P.

Additional Information:

• Hyphen (-) is used to select a range for printing a document.
  
• By default, the documents are printed in portrait-oriented mode.
• Ctrl + A = select all
• Ctrl + B = Bold
• Ctrl + I = Italic
• Ctrl + P = Print
  
• Ctrl + Y = Redo
• Ctrl + S = Save

Last verified on 26-05-2026

Explanation

• F5 is used to start a Slide Show from the beginning in Microsoft PowerPoint.
• It displays the presentation in full-screen Slide Show view.

Additional information:

• Shift + F5 starts the slide show from the current slide.
• F4 repeats the last action in many Microsoft Office applications.
• F6 moves between different areas of the PowerPoint window.

Last verified on 09-08-2026

Explanation

• The keyboard shortcut to open an existing file in Microsoft Word is Ctrl+O.
• You can also open a document in Word by double-clicking its icon in Windows. 

Additional information: 

• Ctrl+N: Opens a new or blank document
• Ctrl+S: Saves the document
• Ctrl+W: Closes the document
• Ctrl+A: Selects all contents of the page
• Ctrl+B: Bolds highlighted selection
• Ctrl+C: Copies selected text
• Ctrl+X: Cuts selected text
• Ctrl+P: Opens the print window

Last verified on 02-04-2026

Explanation

Explanation

• ARPANET was the first network that initiated the Internet.
• It was launched in 1969 by the U.S. Department of Defense's ARPA.
• ARPANET stands for Advanced Research Projects Agency Network.

Additional information:

• First message sent: 29 October 1969
• TCP/IP adopted: 1 January 1983
• World Wide Web introduced: 1989 (by Tim Berners-Lee)
• Public Internet growth: 1990s

Last verified on 27-07-2026

Explanation

• A single page of a PowerPoint presentation is called a Slide.
• A slide is a single screen/page that contains text, images, charts, videos, or other presentation elements.
• A collection of slides forms a PowerPoint presentation.
• PowerPoint is a presentation software developed by Microsoft.
• Slides can be displayed using Slide Show mode.
• The default PowerPoint file extension is .pptx.

Last verified on 07-08-2026

Explanation

• The shortcut key for Undo (last action reverse) is Ctrl + Z in most computer systems.
• It is used to cancel the last mistake or action.

Additional information:

• Ctrl + P = Print
• Ctrl + Y = Redo
• Ctrl + S = Save
• Ctrl + C = Copy command
• Ctrl + V = Paste
• Ctrl + C = Copy
• Ctrl + X = Cut
• Ctrl + Y = Redo

Last verified on 10-06-2026