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Bits, bytes, and bigger units

Bits, bytes, and bigger units

Diagram showing a bit as 0 or 1, 8 bits grouped into 1 byte, then branches to binary prefixes KiB MiB GiB TiB and decimal prefixes kB MB GB TB

A bit is the smallest unit of information and can only be 0 or 1. A byte is a group of 8 bits, so one byte can store many more patterns than a single bit.

Units of information Lesson

  1. A Level
  2. /Computer Science
  3. /Units of information

Step-by-step lessons on AQA A Level Computer Science Units of information, covering Units of information. Each one builds up to exam-style questions.

Lessons