⌨️ap computer science principles review

Efficiency

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

Efficiency refers to how well a program or algorithm utilizes resources, such as time and memory. It measures the ability of a program to accomplish its task with minimal wasted resources.