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AP Computer Science Principles (CSP) Study Guide - Unit 1
BIG IDEA 1: CREATIVE DEVELOPMENT
1.1 Program Design and Development
- Program Purpose: Identifying the goals and intended uses of a program
- Program Design: Creating algorithms, flowcharts, and pseudocode
- Incremental Development: Building and testing programs in small, functional pieces
- Collaboration Tools: Using version control systems (Git), pair programming techniques
- Documentation: Creating readable code with comments and documentation
1.2 Program Abstraction
- Procedural Abstraction: Creating modular code with functions/procedures
- Data Abstraction: Using variables, data structures, and APIs
- Levels of Abstraction: Understanding abstraction from high-level languages to binary
- Hiding Implementation Details: Creating clean interfaces and APIs
- Parameters and Return Values: Passing and returning data in functions
1.3 Program Design and Implementation
- Problem-Solving Strategies: Breaking down complex problems
- Algorithm Design: Creating step-by-step solutions
- Programming Language Features: Variables, control structures, functions
- Libraries and APIs: Using pre-built tools and frameworks
- Testing and Validation: Ensuring program correctness
1.4 Identifying and Correcting Errors
- Types of Errors: Syntax, logic, and runtime errors
- Debugging Techniques: Print statements, debuggers, tracing
- Testing Strategies: Boundary cases, edge cases, normal cases
- Error Handling: Try/catch blocks and error messages
- Code Review: Collaborative error finding and fixing