⌨️ap computer science principles review

Binary

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Binary is a number system that uses a base of 2, consisting only of the digits 0 and 1. It is commonly used in computer systems because it represents digital information using electrical signals.