YOUR AP COMPUTER SCIENCE PRINCIPLES PREP STARTS HERE

AP Computer Science Principles Online Center

Review AP Computer Science Principles with independent practice, flashcards, and quick review. Strengthen algorithms, data, networks, and computing impacts, then follow official Create performance task and written-response guidance.

A clearer path to your next step.

Free study tools · Focused review · Official study guidance

MEET THE ASSESSMENT · CHOOSE YOUR NEXT SKILL

Know AP Computer Science Principles before you start.

What is the official AP Computer Science Principles assessment format?

College Board lists a three-hour digital end-of-course exam: 70 multiple-choice questions in 120 minutes and two written-response questions in 60 minutes. Assessment also includes the Create performance task and Personalized Project Reference. These independent concept checks do not replace your own project work or official submission requirements.

Official assessment information ↗

Data, networks, and impacts

Connect a technical concept to its consequences. Distinguish how a system works from the effects of its use.

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Create task planning

Follow official directions for your own program, video, and Personalized Project Reference. Check requirements with your teacher.

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Explain your own program

Practice explaining purpose, algorithm behavior, testing, and abstraction using your own project and official guidance.

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PRACTICE TEST 170 QUESTIONS

Practice Test 1

Complete the timed practice form, then review every answer explanation.

  • 70 independent practice questions
  • 120-minute countdown after Begin Test
  • Explanations shown after submission
QUICK REVIEW44 BOXES

Quick Review

Review one concept before practice, then revisit ideas behind your missed answers.

  • 44 concept review boxes
  • One popup study view
  • Return to the Online Center after review
FLASHCARDS134 CARDS

Flashcards

Use active recall to review the terms and ideas in this subject.

  • 134 concept flashcards
  • Search, filter, shuffle, and flip
  • Mark known cards as you study
STUDY MAP5 DOMAINS

Study Topics

Choose a study topic, then use quick review or flashcards to strengthen it.

  • 5 domain cards
  • 44 topics listed below
  • Use review and flashcards for your chosen topic
View study topics
Know before you go

Your Free Study Tools at a Glance

This study Online Center centers the timed practice form, then gives you the quick-review boxes and flashcards you need to repair missed concepts.

📝70Practice questionsIndependent practice form
⏱️120MinutesCountdown timer
🔵134FlashcardsActive recall deck
🟣44Review boxesQuick review
A useful review rule: Do not stop at naming the concept. Explain what it means, how it works, and why it matters in the subject you are studying.
Topic map

AP Computer Science Principles Topics: Learn and Review

Choose a topic for your next session. Check the official assessment guidance above for current requirements.

44 topics
  1. 1. Collaboration in Program Development
  2. 2. Iterative and Incremental Development
  3. 3. Documentation
  4. 4. Testing and Debugging Strategies
  5. 5. Managing Complexity with Abstraction
  6. 6. Binary Number Representation
  7. 7. Representing Different Data Types
  8. 8. Data Compression
  9. 9. Extracting Information from Data
  10. 10. Using Databases and Big Data
  11. 11. Bias and Limitations in Data-Driven Conclusions
  12. 12. Variables and Assignment
  13. 13. Data Abstraction: Lists
  14. 14. Sequencing, Selection, and Iteration
  15. 15. Boolean Expressions and Logical Operators
  16. 16. Procedures and Parameters
  17. 17. Procedural Abstraction, Libraries, and APIs
  18. 18. String Manipulation
  19. 19. Traversing and Processing Lists
  20. 20. Algorithm Efficiency
  21. 21. Undecidable Problems
  22. 22. Simulations
  23. 23. Testing with Random Values and Program Robustness
  24. 24. Internet Architecture and Packets
  25. 25. Protocols
  26. 26. Fault Tolerance
  27. 27. Parallel and Distributed Computing
  28. 28. Beneficial and Harmful Effects of Computing Innovations
  29. 29. The Digital Divide
  30. 30. Crowdsourcing and Citizen Science
  31. 31. Intellectual Property and Open Access
  32. 32. Cybersecurity and Encryption
  33. 33. Safe Computing Practices
  34. 34. Algorithmic and Data Bias
  35. POWER BOX 1 --- Key Numbers & Data Reference
  36. POWER BOX 2 --- Pairs Students Always Confuse
  37. POWER BOX 3 --- Who/What Does What: Core Systems Taxonomy
  38. POWER BOX 4 --- Required Reference: AP CSP Pseudocode Conventions
  39. POWER BOX 5 --- How to Trace Pseudocode: A Worked Method
  40. POWER BOX 6 --- Exam Format & Create PT Submission Playbook
  41. POWER BOX 7 --- The Create PT Pipeline, Step by Step
  42. POWER BOX 8 --- Binary & Data-Size Conversion Guide
  43. POWER BOX 9 --- AP Trap Statements
  44. POWER BOX 10 --- Final 15-Minute Review

Use this topic list to plan review. The independent study resources are not an official exam blueprint.

Study Topics

Start with the domains below, then use the practice center to turn recognition into recall.

01

1. Collaboration in Program Development

Use the quick review first, then check this domain with the practice questions and flashcards.

02

2. Iterative and Incremental Development

Use the quick review first, then check this domain with the practice questions and flashcards.

03

3. Documentation

Use the quick review first, then check this domain with the practice questions and flashcards.

04

4. Testing and Debugging Strategies

Use the quick review first, then check this domain with the practice questions and flashcards.

05

5. Managing Complexity with Abstraction

Use the quick review first, then check this domain with the practice questions and flashcards.

AP Computer Science Principles is assessed by a Create performance task plus a 70-question exam. This Online Center covers 34 topics, from data representation and the sequencing-selection-iteration model to undecidable problems and the beneficial and harmful effects of computing, with 134 term-first vocabulary flashcards spanning all five official Big Ideas.

Study path

  1. Map the main domains in the Study Topics.
  2. Take the practice test and read every explanation.
  3. Use Quick Review and Flashcards to repair weak spots, then retest.

The practice tools open in a focused study window so you can keep your place on this Online Center.

A USEFUL NEXT STEP

AP Computer Science Principles: study questions

What is the official AP Computer Science Principles assessment format?

College Board lists a three-hour digital end-of-course exam: 70 multiple-choice questions in 120 minutes and two written-response questions in 60 minutes. Assessment also includes the Create performance task and Personalized Project Reference. These independent concept checks do not replace your own project work or official submission requirements.

Official source ↗
How should I use these independent AP Computer Science Principles study tools?

Start with a practice activity, review explanations for missed questions, and use quick review or flashcards for one weak topic. The practice results are study feedback, not official exam scores. Compare a book’s contents with your course or test requirements before buying.

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