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⌨️ap computer science principles review

Binary Numbers in AP Computer Science Principles

Verified for the 2027 exam
Verified for the 2027 exam•Fiveable Content Team

Definition

Binary numbers are a base-2 number system that uses only two digits, 0 and 1, to represent all values. Each digit in a binary number is called a bit.

This definition is part of Fiveable's AP Computer Science Principles review, which also has guided practice questions.

AP course connection

Big Idea 2 Overview: Data

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Unit 2

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Binary Numbers cheat sheet

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