Computer & Online Safety Basics / How computers work
Lesson 3 of 30
Bits and bytes
Computers store everything as bits: 1s and 0s. Eight bits make a byte, which can hold a number from 0 to 255. A kilobyte is about a thousand bytes, a megabyte a million, a gigabyte a billion.
Key points
- 1 byte = 8 bits
- One byte stores 256 different values
- Text, images and video are all just bytes
Quiz · +10 XP
How many bits are in one byte?
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