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

Explanation

• CTRL + H is the shortcut key used in most software (like MS Word, Excel) to open the Find and Replace dialog box.
• It allows users to search for a word or phrase and replace it with another.

Additional information:

• CTRL + F: Only opens the Find dialog
• CTRL + G: Opens the Go To dialog
• CTRL + R: Aligns text to the right in word processors

Last verified on 10-06-2026

Explanation

• The CPU (Central Processing Unit) is the brain/heart of the computer.
• It performs all calculations, executes instructions, and controls other components.

Additional information:

• First commercial CPU: Intel 4004 (1971)
• Invented by: Italian physicist Federico Faggin
• CPU Examples: Clock speeds – 3.0 GHz, 3.5 GHz, 4.0 GHz, 4.5 GHz, 5.0 GHz

Last verified on 15-02-2026

Explanation

• PowerPoint offers different views for editing and organizing slides.
• Some views show full design, while others show only text.
• Outline View displays only slide text (titles and bullet points).
• It is useful for quickly editing content structure.
• Helps in organizing ideas before designing slides.

Last verified on 29-05-2026

Explanation

• PowerPoint is used for Create presentations from scratch or a template.
• Add text, images, art, and videos.
• Select a professional design with PowerPoint Designer.

Last verified on 03-04-2026

Explanation

• Short key use for Date and Time 
• Date: Ctrl+;
• Time: Ctrl+ Shift+ ;

Additional information

shortcut key in  MS Excell:

Which key is used to help in MS Excel?

F1

***

Shift+Backspace

**

Which key is used to enter the current date in Excel?

 Ctrl+;

Explanation

• The standard keyboard shortcut to insert a hyperlink is Ctrl + K on Windows and Command + K on Mac
  
  
  
  Additional information:
  • Ctrl + S → Save
  • Ctrl + M → Indent paragraph

Last verified on 17-01-2026

Explanation

Explanation

Explanation

Formula Bar area in an Excel window allows entering values and formulas.

It is labeled with a function symbol (fx).

By clicking the Formula Bar, or when you type an equal (=) symbol in a cell, the Formula Bar will activate.