Computer Basics for Beginners: What is Binary?

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Learn what the binary system is and get a grip on this core fundamental of computer science!

We use computers every day for a number of different functions, and yet we never really stop to consider how they do what they do. After all, how do computers process all the information we exchange with them?

To get an understanding of how any digital device interprets and stores our files and programs, we have to learn about one of the basic concepts behind computer science: the binary system.

In our daily lives, we use the decimal system to count and represent numbers, containing the 10 digits we're familiar with (ranging from 0 to 9). As we have 10 fingers, it makes counting easier this way. When it comes to computers, however, they represent every piece of information using only 2 digits: zeros and ones (also known as bits). That's all they need to represent any sort of data. This is due to transistors, on the hardware level, being either in an OFF or ON state. Thus, in summary, computers are able to represent texts, images, videos, even music and web pages with only 0s and 1s.

In this brief and introductory tutorial, we'll explore the foundations of binary and its relation to our decimal numbering system. As one can expect, we as humans would have a pretty hard time trying to understand all these long sequences of random bits, and because of that computers do convert our text, color, and sound data back to us in a readable format, that being as letters and colors that we comprehend.

Knowing how the computer process information is going to make it simpler to take in how to convert binary to decimal and vice-versa, or even how to count in binary or how the computer converts all the letters and colors from the texts and videos we upload to our social media accounts to binary and the other way around. And this is surely the first step to entering the crazy yet beautiful world of computing and programming! ... https://www.youtube.com/watch?v=3RslTdH95o0