# Bits and Bytes

Learn about the basics of computer storage, from bits to bytes and beyond.

## We'll cover the following

## What is a bit?

We have referred to each digit of a binary number as a bit, and classified the numbers as $4$-bit, $8$-bit and so on.

But a bit is also the most basic unit of storage in a computer. As we saw, a bit can only hold a value of $1$ or $0$, and thus in almost all cases we would need groups of bits to represent any useful information.

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