Explanation

• Cells: Used in MS Excel to outline or separate data.
• Paragraphs: Used in MS Word to frame blocks of text.
• Text: Can be applied to selected text or lines.

Explanation

• Charles Babbage is known as the Father of the Computer.
• He designed the more advanced Analytical Engine, which featured a "Mill" (CPU) and a "Store" (memory).

Additional information:

• He was an English polymath.
• Born: 26 December 1791 London, England
• Died: 18 October 1871 (aged 79) London, England

Last updated by NA on 06-11-2026

Explanation

• Headers and footers are visible in Page Layout View and Print Layout View.
• They appear at the top and bottom of a page.
• They can contain page numbers, dates, document titles, and other information.

Additional information:

• Page Layout View: Shows how the page will appear when printed, including headers and footers.
• Print Layout View: Displays the document with its page structure, including headers and footers.

Last verified on 02-10-2026

Explanation

• In MS Excel, every formula and function starts with the equal sign (=).
• The = tells Excel that the cell contains a formula, not plain text.
• Functions such as SUM, AVERAGE, and IF also begin with =.
• Without the =, Excel treats the entry as ordinary text.

Last verified on 10-02-2026

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

• 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

• Ctrl + C is the shortcut key used to copy selected text or files.

Additional information:

• Ctrl + B → Bold
• Ctrl + A → Select All
• Ctrl + W → Close current tab/window
• Alt + Tab → Switch between apps
• Alt + F4 → Close the active app
• Win + D → Show/Hide Desktop
• Win + ← / → → Snap windows left/right
• Win + Tab → Open Task View

Verified & Updated

Explanation

• DOCX is the newer version of DOC, the original official Microsoft Word file format. 
• Microsoft Word 97 - 2003 Document extension (.doc).
• Microsoft Word 2007 to till date Document extension (.docx).

Additional information:

• .xls extension of Excel.
• .ppt extension of PowerPoint.
• .txt extension of Text files.
• .pdf extension of Portable Document Format.

Last verified on 15-02-2026