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Explore the big ideas of computing: creativity, abstraction, data, algorithms, programming, the internet, and impact.
This AP Computer Science Principles course on Study Mondo covers 10 topics organized across 5 categories. Each topic includes detailed written explanations, worked examples, practice problems with step-by-step solutions, flashcards for review, and interactive lessons to help you master the material.
All content is completely free. Start with any category below, or jump to a specific topic that you need help with.
Take a diagnostic test covering all AP CSP big ideas. Identify strengths and weak areas.
Pick the plan that matches your timeline — from a 1-month build-up to a night-before review.
Jump into high-impact topics and keep your study momentum moving.
Collaboration, program design, and iterative development
Binary representation, data compression, and data analysis
A structured 4-week plan that builds mastery without burning out.
~60 hours total over 4 weeks
Lossless vs lossy compression, metadata, data cleaning, visualization, and extracting information
Variables, control structures, procedures, lists, and algorithm efficiency
Variables, data types, assignment, sequencing, selection (if/else), and iteration (loops)
Procedures with parameters, return values, lists, list operations, and managing complexity
Algorithm design, efficiency, searching, sorting, and undecidable problems
The internet, protocols, fault tolerance, and cybersecurity
Digital divide, bias, crowdsourcing, legal/ethical issues, and safe computing