Explanation

• An Operating System (OS) is System software.
• It manages hardware resources and provides a platform for running application software.

Functions of an Operating System:

• Allocates resources
• Monitors activities
• Manages disks and files

Explanation

We can paste formula, value, formats, comments, validation using Paste Special command.

Explanation

Shift + Enter is the shortcut key for manual line breaks.

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Alt + Enter. In Microsoft Word for spell checking quick-fixes.

Ctrl + Enter. In a multi-line edit control,

Explanation

Ctrl + N shortcut key used to Create a new presentation document

Ctrl + M shortcut key used for Insert a new slide

Ctrl + S shortcut key used to save a presentation

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Explanation

After = symbol you can enter either a calculation or functions

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Explanation

The cell is the basic structural, functional, and biological unit of all known organisms.

Explanation

The Leaning Tower of Pisa is in the city of Pisa, in Tuscany, Italy.

Explanation

Manchhar Lake is the largest natural freshwater lake in Jamshoro Sindh Pakistan.

It collects water from the Kithar mountain range.

It is one of South Asia's largest.

Manchhar Lake is the largest natural freshwater lake in Pakistan.

Manchhar Lake covers an area of  23.5 km (14.6 mi).

It is part of Indus River basin.

Explanation

Winword.exe stands for  Microsoft Word or Windows Word

Winword.exe is the executable file name for Microsoft Word

which is used when Word is launched.

Winword.exe is Microsoft Word,

the most popular word-processing software

ND5-2-2023

Explanation

A version office Vista of Microsoft office is not valid

Microsoft office:

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ND4-12-2022

ND11-2-2023

ND10-3-2023