AP CSP Daily Practice
AP CSP Day 17: Internet Structure
Key Concepts The internet is a network of networks connected through routers that forward data packets toward their destinations. No single entity controls the entire internet; its decentralized structure makes...
AP CSP Day 17: Internet Structure
Key Concepts The internet is a network of networks connected through routers that forward data packets toward their destinations. No single entity controls the entire internet; its decentralized structure makes...
AP CSP Day 16: Data Compression
Key Concepts Data compression reduces file size by encoding information more efficiently. Lossless compression preserves all original data and allows exact reconstruction, while lossy compression permanently discards some data to...
AP CSP Day 16: Data Compression
Key Concepts Data compression reduces file size by encoding information more efficiently. Lossless compression preserves all original data and allows exact reconstruction, while lossy compression permanently discards some data to...
AP CSP Day 15: Metadata
Key Concepts Metadata is data that describes other data, such as the file size, creation date, author, or location attached to a photo or document. While the content of a...
AP CSP Day 15: Metadata
Key Concepts Metadata is data that describes other data, such as the file size, creation date, author, or location attached to a photo or document. While the content of a...
AP CSP Day 14: Bias in Data & Algorithms
Key Concepts Algorithmic bias occurs when a model or decision system produces systematically unfair outcomes, often because the training data underrepresents certain groups. Data bias can stem from who collected...
AP CSP Day 14: Bias in Data & Algorithms
Key Concepts Algorithmic bias occurs when a model or decision system produces systematically unfair outcomes, often because the training data underrepresents certain groups. Data bias can stem from who collected...
AP CSP Day 13: Correlation vs Causation
Key Concepts Correlation describes a statistical relationship between two variables that tend to change together, while causation means one variable directly causes changes in the other. Observational data can establish...
AP CSP Day 13: Correlation vs Causation
Key Concepts Correlation describes a statistical relationship between two variables that tend to change together, while causation means one variable directly causes changes in the other. Observational data can establish...
AP CSP Day 11: Data Collection & Cleaning
Key Concepts Data collection methods include surveys, sensors, manual entry, and automated logging, each introducing different potential sources of error. Data cleaning involves identifying and correcting issues like missing values,...
AP CSP Day 11: Data Collection & Cleaning
Key Concepts Data collection methods include surveys, sensors, manual entry, and automated logging, each introducing different potential sources of error. Data cleaning involves identifying and correcting issues like missing values,...
AP CSP Day 12: Data Visualization & Limitations
Key Concepts Data visualizations like bar charts, scatter plots, and line graphs communicate patterns in data more intuitively than raw numbers. However, visualizations can be misleading when axes are truncated,...
AP CSP Day 12: Data Visualization & Limitations
Key Concepts Data visualizations like bar charts, scatter plots, and line graphs communicate patterns in data more intuitively than raw numbers. However, visualizations can be misleading when axes are truncated,...
AP CSP Day 10: Side Effects & Mutation
Key Concepts A side effect occurs when a procedure modifies a variable or data structure outside its own local scope, such as changing a global list or printing output. Mutation...
AP CSP Day 10: Side Effects & Mutation
Key Concepts A side effect occurs when a procedure modifies a variable or data structure outside its own local scope, such as changing a global list or printing output. Mutation...
AP CSP Day 9: Procedural Abstraction
Key Concepts Procedural abstraction means a programmer can use a procedure by knowing what it does without needing to understand exactly how it is implemented. This is one of the...
AP CSP Day 9: Procedural Abstraction
Key Concepts Procedural abstraction means a programmer can use a procedure by knowing what it does without needing to understand exactly how it is implemented. This is one of the...
AP CSP Day 8: Procedures & Parameters
Key Concepts A procedure (also called a function or subroutine) is a named block of code that can be called multiple times with different inputs called parameters. Parameters are local...
AP CSP Day 8: Procedures & Parameters
Key Concepts A procedure (also called a function or subroutine) is a named block of code that can be called multiple times with different inputs called parameters. Parameters are local...
AP CSP Day 7: Accumulator Pattern
Key Concepts The accumulator pattern initializes a variable to a starting value (often 0 or an empty list) before a loop, then updates it each iteration to build a result....
AP CSP Day 7: Accumulator Pattern
Key Concepts The accumulator pattern initializes a variable to a starting value (often 0 or an empty list) before a loop, then updates it each iteration to build a result....
AP CSP Day 6: List Traversal & Filtering
Key Concepts List traversal uses a FOR EACH loop to process every element in a list sequentially. Filtering is a common traversal pattern where elements meeting a condition are collected...
AP CSP Day 6: List Traversal & Filtering
Key Concepts List traversal uses a FOR EACH loop to process every element in a list sequentially. Filtering is a common traversal pattern where elements meeting a condition are collected...
AP CSP Day 5: Lists as Data Abstraction
Key Concepts A list in AP CSP is an ordered collection of items accessed by index, where the first element is at index 1. Lists are an example of data...
AP CSP Day 5: Lists as Data Abstraction
Key Concepts A list in AP CSP is an ordered collection of items accessed by index, where the first element is at index 1. Lists are an example of data...
AP CSP Day 3: Conditionals
Key Concepts Conditional statements (IF, IF/ELSE) allow programs to make decisions based on Boolean conditions at runtime. The body of an IF block executes only when the condition evaluates to...
AP CSP Day 3: Conditionals
Key Concepts Conditional statements (IF, IF/ELSE) allow programs to make decisions based on Boolean conditions at runtime. The body of an IF block executes only when the condition evaluates to...
AP CSP Day 4: Iteration Patterns
Key Concepts Iteration in AP CSP uses REPEAT n TIMES or REPEAT UNTIL loops to execute a block of code multiple times. REPEAT n TIMES runs exactly n iterations regardless...
AP CSP Day 4: Iteration Patterns
Key Concepts Iteration in AP CSP uses REPEAT n TIMES or REPEAT UNTIL loops to execute a block of code multiple times. REPEAT n TIMES runs exactly n iterations regardless...
AP CSP Day 1: Variables & Assignment
Key Concepts In AP CSP pseudocode, a variable stores a value that can change as a program executes. Assignment uses the arrow notation (variable ← value) to store data, overwriting...
AP CSP Day 1: Variables & Assignment
Key Concepts In AP CSP pseudocode, a variable stores a value that can change as a program executes. Assignment uses the arrow notation (variable ← value) to store data, overwriting...
AP CSP Day 2: Boolean Logic
Key Concepts Boolean expressions in AP CSP evaluate to either true or false using the logical operators AND, OR, and NOT. An AND expression is true only when both operands...
AP CSP Day 2: Boolean Logic
Key Concepts Boolean expressions in AP CSP evaluate to either true or false using the logical operators AND, OR, and NOT. An AND expression is true only when both operands...