Explanation

• Inventor: Tim Berners-Lee
• Collaborator: Robert Cailliau
• Year of invention: 1989 August
• Organization: CERN (European physics lab, Switzerland)
• First website: 1991 (public release)
• WWWW stands for World-Wide Web Worm.

Last updated 06 Nov 2026 by NA

Explanation

• - Software: A set of instructions that tells a computer how to perform specific tasks.
• - Examples: MS Word, Windows, Google Chrome.

Additional information:

• - Monitor: An output device that displays information.
• - Hardware: Physical parts of a computer.
• - Printer: An output device that prints information on paper.

Last updated by NA on 05-11-2026

Explanation

Light Pen: An input device used to select or draw directly on a computer screen.

- Type: Pointing device.

- Uses: Drawing, selecting, and pointing.

- Example: Selecting an object on a CRT screen.

Last updated by NA on 05-11-2026

Explanation

1 byte equals 8 bits.

Additional Information

Last updated by NA on 05-11-2026

Explanation

• The physical part of a computer is called hardware.
• Hardware refers to all the tangible parts of a computer that contribute to its functionality.
• Some examples of hardware include:
• Motherboard, RAM, CPU, Mouse, Keyboard, CD, DVD, Hard disk, Monitor, and Case.

Additional information:

• In contrast, software is the intangible part of a computer that helps it perform its functions.
• Software is made up of programs, procedures, and routines that run the computer system.

Last verified on 04-09-2026

Explanation

• In classic versions of Internet Explorer, the View menu contains the Toolbars option.
• Users can show or hide the Favorites Bar through the relevant toolbar settings.

Additional information:

• Internet Explorer was developed by Microsoft.
• It was first released in 1995.
• Microsoft retired Internet Explorer 11 on most versions of Windows 10 on 15 June 2022.

Last verified on 29-10-2026

Explanation

• MS Excel: Application software used for spreadsheets, calculations, and data analysis.
• Windows, Linux, DOS: Operating systems (system software).

Explanation

• Ctrl + S = To save a document.

Additional information:

• Ctrl + X → Cut (remove selected text)
• Ctrl + R → Align text to the right
• Ctrl + E → Center align text
• Ctrl + J → Justify paragraph
• Ctrl + L → Align text to the left
• Ctrl + Q → Remove paragraph formatting (reset to default left alignment)

Last verified on 10-06-2026

Explanation

• RAM stands for Random Access Memory.
• It is a type of fast, temporary computer memory.
• It is essentially short-term memory.
• It is the hardware in a computing device where the operating system (OS).

Last verified on 26-04-2026

Explanation

• In MS Word, the Help feature is used to get guidance about tools and commands.
• The shortcut key to open Help is F1.
• It opens Microsoft Word Help window or support page.

Additional information:

• F2: Used to move or rename text.
• F3: Inserts AutoText entries if available.
• F4: Repeats the last action performed.
• F5: Opens the "Find and Replace" dialog box with the "Go To" tab active.

Last verified on 29-05-2026