Practice
Computer Science Principles practice questions
Exam-style multiple choice questions for each unit, in a test screen like the one on exam day. Pick a quick set or the whole unit. The timer runs at the real exam's pace, and every answer is explained when you finish.
There are free-response questions too, where you write your own answers, like the second part of the exam. Score them yourself with the rubric, or sign in for free AI scoring.
5 units · 299 multiple choice · 20 free response
Full-length practice exam
The whole multiple choice section: 70 questions in 2 hours, weighted by unit like the real exam. A fresh mix every time, and you can pick up where you left off.
Free response
20 questions in the real exam's formats, each with a rubric, a model answer and an optional timer.
Multiple choice by unit
Unit 1
Creative Development
53 questions
Unit 2
Data
60 questions
Unit 3
Algorithms and Programming
76 questions
Unit 4
Computer Systems and Networks
51 questions
Unit 5
Impact of Computing
59 questions