Skip to main content
We’re so back. See what’s new for the 2026-2027 school year →
The new Teacher Workspace is here. Your first 3 assignments are free. Try it →

⌨️ap computer science principles review

Binary Numbers in AP Computer Science Principles

Written by the Fiveable Content Team
Verified for the 2027 exam
Verified for the 2027 exam•Written by the 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.

AP course connection

Big Idea 2 Overview: Data

Unit 2

Keep studying

Review this concept in Big Idea 2 Overview: DataAP Computer Science Principles course hub

Binary Numbers cheat sheet for homework

visual study aid

"Binary Numbers" also found in:

Additional resources (1)

Keep studying AP Computer Science Principles

Connect this key term to the AP exam workflow: review the course, practice questions, and check related study tools.

AP Computer Science Principles hub

Review units, study guides, and course resources.

AP-style practice

Check this vocabulary in multiple-choice context.

FRQ practice

Apply key concepts in written AP responses.

Score calculator

Estimate the exam score you are working toward.

Cheatsheets

Review the highest-yield facts before practice.

Practice exam

Put the full course together before test day.