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AP Computer Science Principles · 5 units · 35 topics

Score a 5 on AP Computer Science Principles.

Five units covering creative development, data, algorithms and programming, computer systems and networks, and the impact of computing. Step through every model and learn what each state proves.

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Study notes

Every AP Computer Science Principles unit, explained.

Unit 1 is free to read in full. Every other unit shows its first topic free; a 7-day trial opens the rest.

  1. Unit 1Creative Development10–13% of multiple choice · 4 topicsFreeRead unit
  2. Unit 2Data17–22% of multiple choice · 4 topicsPreviewPreview
  3. Unit 3Algorithms and Programming30–35% of multiple choice · 18 topicsPreviewPreview
  4. Unit 4Computer Systems and Networks11–15% of multiple choice · 3 topicsPreviewPreview
  5. Unit 5Impact of Computing21–26% of multiple choice · 6 topicsPreviewPreview
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AP Computer Science Principles · Sample questions

1

Which of the following best describes the primary purpose of the Domain Name System (DNS) used on the Internet?
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AP Computer Science Principles questions, answered.

What's on the AP Computer Science Principles Exam?
The AP Computer Science Principles Exam is 3h long: Section I: End-of-course multiple choice (70 questions, 120 minutes, 70% of the score) and Section II: Create performance task and written response (2 questions, 60 minutes, 30% of the score). These figures come from College Board's AP Computer Science Principles exam page.
Are these AP Computer Science Principles notes free?
Unit 1 is free to read in full, and every other unit shows its first topic free. A free 7-day trial opens all 5 units and the full-length practice tests.
How many units are in AP Computer Science Principles?
AP Computer Science Principles has 5 units: Unit 1, Creative Development (10–13% of multiple choice); Unit 2, Data (17–22% of multiple choice); Unit 3, Algorithms and Programming (30–35% of multiple choice); Unit 4, Computer Systems and Networks (11–15% of multiple choice); Unit 5, Impact of Computing (21–26% of multiple choice).
When is the AP Computer Science Principles Exam?
AP Exams are held over two weeks every May. College Board publishes the schedule for each year; the AP exam calendar lists the dates once they are announced.
How is the AP Computer Science Principles Exam scored?
AP Exams are scored from 1 to 5. The AP Computer Science Principles score calculator estimates your score from your results on each section.

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