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

Explanation

In an email address, the "@" symbol separates the local part (username) from the domain part (service provider's name).

For example, in "user@example.com", "user" is the local part, and "example.com" is the domain part, indicating the email service provider. 

Explanation

QWERTY refers to the first six letters on the upper row of the keyboard.

The QWERTY layout was devised and created in the early 1870s

The key arrangement was devised by Christopher Latham Sholes

104 buttons or keys in a QWERTY keyboard 

The QWERTY keyboard is also known as the Sholes keyboard

ND18-4-2023

Explanation

Slide Show view means you can see your presentation graphics, animated effects, and transition effects, etc. on full screen.

To start the Slide show view, Press F5.

To exit the Slide Show view, press ESC.

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ND30-12-2022

Explanation

A joystick sometimes called a flight stick.

The joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.

ND18-4-2023

Explanation

File Explorer (Windows Explorer)

- Type: File manager application.

- Developed by: Microsoft.

- Introduced in: Windows 95 (1995).

- Function: Manages files and folders.

- Purpose: Provides a graphical user interface (GUI) to access file systems.

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Last updated on 26 Oct 2026

Explanation

The Control Panel provides access to hardware settings and options.

Users can manage and configure hardware devices, such as printers, sound cards, and graphics cards.

Additional points:

• Device Manager: Manages and troubleshoots hardware devices
• System Properties: Displays system information and settings
• Settings App: Provides access to system settings, including hardware options (in Windows 10 and later)

Explanation

A soft copy is an electronic version of data, such as a file or document, stored digitally.

Soft copies are typically viewed on a computer or mobile device screen.