operating system (OS) manages all of the software and hardware on the computer. Most of the time, there are several different computer programs running at the same time, and they all need to access your computer’s central processing unit (CPU), memory, and storage. The operating system coordinates all of this to make sure each program gets what it needs.

The binary number system is a numbering system that represents numeric values using two unique digits (0 and 1). Mosting computing devices use binary numbering to represent electronic circuit voltage state, (i.e., on/off switch), which considers 0 voltage input as off and 1 input as on. This is also known as the base-2 number system

Types of operating systems

Operating systems usually come pre-loaded on any computer you buy. Most people use the operating system that comes with their computer, but it’s possible to upgrade or even change operating systems. The three most common operating systems for personal computers are Microsoft Windows, Mac OS X, and Linux.

 What is an Application?

You may have heard people talking about using a program, an application, or an app. But what exactly does that mean? Simply put, an app is a type of software that allows you to perform specific tasks. Applications for desktop or laptop computers are sometimes called desktop applications, while those for mobile devices are called mobile apps.

 What is the Internet?

The Internet is an increasingly important part of everyday life for people around the world. But if you’ve never used the Internet before, all of this new information might feel a bit confusing at first.

Throughout this tutorial, we’ll try to answer some basic questions you may have about the Internet and how it’s used. When you’re done, you’ll have a good understanding of how the Internet works, how to connect to the Internet, and how to browse the Web.

What is the Web?

The World Wide Web—usually called the Web for short—is a collection of different websites you can access through the Internet. A website is made up of related text, images, and other resources. Websites can resemble other forms of media—like newspaper articles or television programs—or they can be interactive in a way that’s unique to computers.

Using search engines

With billions of websites online today, there is a lot of information on the Internet. Search engines make this information easier to find. Let’s look at the basics of using a search engine, as well as some techniques you can use to get better search results.

How to search the Web

There are many different search engines you can use, but some of the most popular include Google, Yahoo!, and Bing. To perform a search, you’ll need to navigate to a search engine in your web browser, type one or more keywords—also known as search terms—then press Enter on your keyboard