Olympiad Test: Introduction to Computers - 1 - Class 1 MCQ

An operating system (OS) is critical in managing the computer's hardware and software resources. It provides a stable, consistent way for applications to deal with the hardware without having to know all the details of the hardware.

Windows, Linux, and macOS are all well-known operating systems. LightSaber is not an operating system; it's a fictional element from the Star Wars universe.

A router is a device that forwards data packets along networks. It is connected to at least two networks and decides which way to send each data packet based on its current understanding of the state of the networks it is connected to.

A monitor is an output device because it displays information to the user. In contrast, input devices like a keyboard and mouse are used to input data into the computer.

The hard drive in a computer is used primarily for storage of data. It holds all the data in your computer, including the operating system, software applications, files, and personal documents.

Antivirus software is designed to detect, prevent, and remove malware, including viruses, worms, and Trojan horses, thereby protecting the computer.

HTML, or HyperText Markup Language, is the standard markup language used for creating web pages. It describes the structure of a web page and is used alongside CSS and JavaScript.