AP Computer Science Principles Grade 9 - Notes & Study Material for Grade 9
Get access to free study material for AP Computer Science Principles of Grade 9 for 2026 exams, with Revision Notes, PPTs, Flashcards, Question & Answer, & more.
Big Idea 1 : Creative Development
| Chapter Notes: Collaboration 3 pages |  |
| Chapter Notes: Program Function and Purpose 4 pages |  |
| Chapter Notes: Program Design and Development 4 pages |  |
| Chapters Notes: Identifying and Correcting Errors 4 pages |  |
Big Idea 2 : Data
| Chapter Notes: Binary Numbers 4 pages |  |
| Chapter Notes: Data Compression 2 pages |  |
| Chapter Notes: Extracting Information from Data 3 pages |  |
| Chapter Notes: Using Programs with Data 2 pages |  |
Big Idea 3 : Algorithms and Programming
| Chapter Notes: Variables and Assignments 3 pages |  |
| Chapter Notes: Data Abstraction 2 pages |  |
| Chapter Notes: Mathematical Expressions 2 pages |  |
| Chapter Notes: Strings 1 page |  |
| Chapter Notes: Boolean Expressions 2 pages |  |
| Chapter Notes: Conditionals 1 page |  |
| Chapter Notes: Nested Conditionals 1 page |  |
| Chapter Notes: Iteration 3 pages |  |
| Chapter Notes: Developing Algorithms 1 page |  |
| Chapter Notes: Lists 3 pages |  |
| Chapter Notes: Binary Search 2 pages |  |
| Chapter Notes: Calling Procedures 1 page |  |
| Chapter Notes: Developing Procedures 1 page |  |
| Chapter Notes: Libraries 1 page |  |
| Chapter Notes: Random Values 1 page |  |
| Chapter Notes: Simulations 2 pages |  |
| Chapter Notes: Algorithmic Efficiency 2 pages |  |
| Chapter Notes: Undecidable Problems 1 page |  |
Big Idea 4 : Computer System and Networks
| Chapter Notes: The Internet 3 pages |  |
| Chapter Notes: Fault Tolerance 3 pages |  |
| Chapter Notes: Parallel and Distributed Computing 3 pages |  |
Big Idea 5 : Impact of Computing
| Chapter Notes: Beneficial and Harmful Effects 2 pages |  |
| Chapter Notes: Digital Divide 3 pages |  |
| Chapter Notes: Computing Bias 2 pages |  |
| Chapter Notes: Crowdsourcing 2 pages |  |
| Chapter Notes: Legal and Ethical Concerns 3 pages |  |
| Chapter Notes: Safe Computing 4 pages |  |