Explanation

A protocol is a set of rules that governs how data is transmitted and received over a network.

It ensuring that communication between devices is orderly and understandable.

Explanation

A microcomputer typically consists of a central processing unit (CPU), input/output devices (like keyboard and monitor), and storage components (like hard drive or SSD).

Explanation

A macro in MS Excel is a set of instructions that can be executed as a single command.

It automates repetitive tasks by recording and playing back sequences of actions, saving time and effort.

Explanation

F9 – Refreshes a document in Microsoft Word and sends and receives emails in Outlook.

F10 – Activates the menu bar of an open application. Shift + F10 is the same as right clicking.

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Explanation

The shortcut Alt + F9 displays field codes in Microsoft Word.

It allowing you to view and edit the underlying codes of fields such as dates, page numbers, or references.

Explanation

Ctrl + Backspace = Delete the word left of the cursor.

This shortcut quickly removes the entire word to the left of the cursor position in most text editors.

Explanation

• In MS Excel, you can copy data or formulas using Edit menu commands, shortcut menu options, or toolbar buttons like "Copy" and "Paste."
• These methods offer flexibility for users to quickly replicate data or formulas across cells or worksheets.

Additional Points:

• Keyboard Shortcuts: Use Ctrl + C (Copy) and Ctrl + V (Paste) for efficiency.
• Drag and Drop: Copy formulas by dragging the fill handle at the corner of a selected cell.
• Right-Click Menu: Provides quick access to copy/paste commands directly.
• Paste Special: Allows pasting specific attributes (e.g., values, formats) using Alt + E + S.

Explanation

Explanation

Avast and NAV are anti-virus software.

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Symantec's Norton Group launched Norton AntiVirus 1.0 (NAV) for PC and compatible computers.

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Avast's free antivirus software detects and blocks all types of malware in real-time to prevent them from infecting your computer.

Kaspersky, Norton, and Avast are anti-virus software.

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Linux is an operating system not an anti-virus

anti virus 

Oracle is not an anti-virus software.

Explanation

• When saving a file for the first time, the system prompts the user to provide a name and select a location.
• This helps in identifying and retrieving the file later.

Three ways to save a file:

1. Ctrl + S (Shortcut for quick saving).
2. File > Save (From the menu bar).
3. File > Save As (To rename or change the location).