Big Idea 3: Algorithms and Programming

Variable

A named storage location in a program that holds a value.

Assignment

Setting or updating the value of a variable (e.g., x ← 5).

Conditional (If/Else Statement)

A command that performs different actions based on whether a condition is true or false.

Loop (Iteration)

A way to repeat a set of instructions while a condition is true or for a certain number of times.

Boolean

A data type that has only two possible values: true or false.

List (Array)

An ordered collection of items that can be accessed by index.

Index

The position of an item in a list, usually starting from 1 in AP Pseudocode.

Traversal

Accessing each item in a list one by one, often using a loop.

Return Value

The output that a function gives back when called.

Procedure Call

The act of executing a named procedure or function.

Simulation

A program that models real-world behavior or processes.