Explanation

In MS Excel, a function is a pre-defined formula that performs a specific calculation or operation.

Examples of functions in Excel include SUM, AVERAGE, COUNT, IF, and many others.

Functions are used to manipulate data, perform calculations, and analyze information in a spreadsheet.

Explanation

Headphones are output devices.

It is used to listen to audio from a computer, smartphone, or other electronic devices.

Explanation

Both JPEG and GIF are popular image formats.

While MPG is used for video, which may involve graphics.

Thus, all three formats can be used for handling different kinds of multimedia.

Explanation

A drop cap is a large capital letter at begin of a paragraph that, typically, has the depth of two or more lines of normal text.

It is set to '3' by default, although any choice from 2 onwards.

Drop Cap is an enlarged capital letter of a Word at the beginning of the paragraphs

Explanation

Synchronization can occur in both hardware and software contexts to ensure that different components or processes operate in harmony.

Explanation

Slide Sorter view displays all the slides in a presentation as miniature representations, allowing you to easily sort, rearrange, and organize your slides.

This view is particularly useful for managing and rearranging the structure of your presentation.

Explanation

A digital signature verifies the authenticity of an email by confirming the sender's identity and ensuring the message hasn't been altered.

It uses cryptography to validate the sender's identity and ensure the integrity of the email content.

Explanation

A column chart is ideal for comparing the performance of two employees in 2021 because it allows for a side-by-side comparison of their performance metrics, such as sales, productivity, or revenue.

Pie Chart: Shows how different components contribute to a whole.

Dot Chart: Displays a small number of data points.

Column Chart: Compares performance metrics side-by-side.

Line Chart: Shows trends over time.

Explanation

Line spacing is the vertical space between lines of text in a document.

It helping to improve readability and layout.

Explanation

The formula evaluates as:

(7-3)×(4+3)/4 = 4×7/4 = 28/4 = 7.