Explanation

VDU: Visual Display Unit

Explanation

A passive topology means that devices on the network simply listen for signals and do not actively amplify or forward the signal along the network.

The Bus topology is a classic example of this.

Where data is transmitted directly on the shared cable without any intermediary device actively boosting the signal

Explanation

do-until is not a valid loop structure in C programming.

C provides for, while, and do-while loops for iteration.

Explanation

The format specifier %c is used in scanf to read a single character.

So, km must be a character variable, e.g., char km;.

Explanation

Data refers to raw facts and figures that have not yet been processed.

Once processed, data becomes information.

Explanation

Internet Explorer is a free web browser, commonly called IE or MSIE, that allows users to view web pages on the internet.

Explanation

Password is a secret word or phrase that must be used to gain admission to a place.

Explanation

Diarization in file movement refers to entering a reminder or note in an official diary or register for future action or follow-up.

It helps in tracking deadlines and ensures that important documents are not overlooked.

Explanation

An email attachment is a file (like a document, image, or PDF) that is sent along with an email.

It allows users to share additional content directly within the email message.

Explanation

An arithmetic-logic unit (ALU) is the part of a computer processor (CPU) that carries out arithmetic and logic operations on the operands in computer instruction words.