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Lessons

AP Computer Science Principles

Topics follow the official College Board structure: 6 units, 20 topics. The first unit is open to everyone, the rest is for members.

AP Computer Science Principles: what membership unlocks

  • 18 topic lessons
  • 180 quiz questions
  • Unit quizzes and skipping a unit
  • 1 practice exams a month with progress reports
See membership

Unit 1

Creative Development

2 topicsFree
  1. 1.1Collaboration, Program Function, and Development Process
  2. 1.2Identifying and Correcting Errors

Unit 2

Data

3 topicsMembers
  1. 2.1Binary Numbers, Overflow, and Rounding
  2. 2.2Data Compression
  3. 2.3Extracting Information from Data

Unit 3

Algorithms and Programming

6 topicsMembers
  1. 3.1Variables, Assignments, and Data Abstraction
  2. 3.2Expressions, Boolean Logic, and Conditionals
  3. 3.3Iteration
  4. 3.4List Operations, Traversals, and Searching
  5. 3.5Procedures, Parameters, and Libraries
  6. 3.6Random Values, Simulations, Efficiency, and Undecidable Problems

Unit 4

Computer Systems and Networks

2 topicsMembers
  1. 4.1The Internet, Protocols, and Fault Tolerance
  2. 4.2Parallel and Distributed Computing

Unit 5

Impact of Computing

4 topicsMembers
  1. 5.1Beneficial and Harmful Effects and the Digital Divide
  2. 5.2Computing Bias and Crowdsourcing
  3. 5.3Legal and Ethical Concerns
  4. 5.4Safe Computing, Privacy, and Encryption

Unit 6

The Create Performance Task

3 topicsMembers
  1. 6.1The Create Task: Components, Rules, and How We Support You
  2. 6.2Meeting the Program Requirements
  3. 6.3The Personalized Project Reference and Written Response