Explanation

Explanation

• The time and date are displayed on the system tray.
  
• **
• The system tray (or "systray") is a section of the taskbars in the Microsoft Windows operating system (OS) user interface that provides easy access icons to the user's most commonly used apps and displays the clock.
• A system tray is also available in other OSes such as Linux, Mac OS, Android, and iOS.
  

Explanation

LINUX is a free and open-source operating system.

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closed source software for commercial use :

• are Microsoft Office,
• Adobe Acrobat,
• McAfee anti-virus software,
• and so on. *****

Explanation

A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.

The main electronic component used in first-generation counterparts was Vacuum Tubes and Valves.

Leo is called the first-generation computer.

The five generations of computers:

1. First Generation (1946-1959 or 1940-1956): Vacuum tube-based technology (e.g., ENIAC).
2. Second Generation (1959-1965 or 1956-1963): Transistor-based technology.
3. Third Generation (1965-1971 or 1964-1971): Integrated circuit-based technology.
4. Fourth Generation (1972-1980): VLSI microprocessor-based technology.
5. Fifth Generation (1980-present): ULSI microprocessor-based technology, with a focus on artificial intelligence.

Explanation

Frequently used shortcuts

Copy the selected content to the Clipboard. Ctrl+C

Paste the contents of the Clipboard.                 Ctrl+V

Select all document content.                                 Ctrl+A

Apply bold formatting to text.                                 Ctrl+B

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ND27-12-2022

Explanation

A Uniform Resource Locator (URL), colloquially termed a web address.

It refers to a web resource that specifies its location on a computer network and a mechanism for retrieving it. 

Explanation

The default for PowerPoint slides is landscape

Landscape orientation generally refers to the camera's orientation in a horizontal display. 

ND29-5-2023

Explanation

Goal Seek, Solver, and Scenario Manager are all tools in Excel used for What-If Analysis.

It helping to analyze different possible outcomes.

Goal Seek adjusts a single input to reach a desired result.

Solver handles complex optimizations.

Scenario Manager compares multiple data scenarios.

Explanation

Ctrl + U = Single underline

Conrol+shift+D for duble underline

Explanation

A version office Vista of Microsoft office is not valid

Microsoft office: