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

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

Explanation

The term "19thC or 19C" specifically refers to the 19th century.

It denotes the years from 1801 to 1900.

Explanation

Explanation

• Antivirus software is designed to detect, prevent, and remove malicious software (malware) from a computer.
• It scans for and removes culprit codes, such as viruses, worms, and trojans, that can harm a computer system.