Explanation

Slide transitions are the effects that occur when you move from one slide to the next during a presentation.

You can control the speed, add sound, and customize the properties of transition effects.

Explanation

In Microsoft Word, when you insert a comment in a document, it appears in a "Balloon" on the side of the document.

This allows the comment to be easily seen without disrupting the main text.

Shortcut key to add a comment: Alt + ctrl + M 

Explanation

In Microsoft Windows 7, Gadgets are small applications that can display information.

Such as the weather, time, and system performance on your desktop.

They provide quick access to data without needing to open a full application

Explanation

Explanation

Explanation

A Trojan Horse is a type of malware that disguises itself as legitimate software.

A Virus is a type of malware that inserts itself into another program.

A worm is similar to a virus, except that it does not need a program in order to run.

Explanation

Full duplex mode allows communication in both directions simultaneously.

In contrast, half duplex mode permits communication in both directions, but not at the same time

Simplex mode allows communication only in one direction.

Explanation

In an Excel worksheet, the first cell is labeled as A1 due to the following reasons:

1. Grid System: Excel uses a grid to organize cells, with rows and columns.
2. Rows Labeled by Numbers: Rows are labeled using numbers (1, 2, 3, etc.).
3. Columns Labeled by Letters: Columns are labeled using letters (A, B, C, etc.).
4. First Cell Location: The first cell is located at the intersection of row 1 and column A, hence labeled A1.

Explanation

Explanation