PLTW CSP Key Terms 1.1

Software development: complete each stage of the design process before beginning the next.

A variable that counts in an arithmetic sequence, usually counting by ones starting at 0 or 1.

Software development that emphasizes frequent client input to produce better end products.

The parts of computer that can store data or instruction

A prioritized list of user stories, showing short- and long- term goals of a development team.

Instructions in a program.

Data that is used by a program.

One method of determining the strength of artificial intelligence.

Process of figuring out why code doesn’t behave as expected and removing bugs to make it work

Expression in an if-structure that is evaluated to determine which branch of code to execute.

Information about a program or data file, including date created and author information.

A graphics object that can be moved on top of or behind a background.

The most common framework for Agile Development.

A set of instructions grouped together to do something to or with an object.

Plain-language description of a user’s need for the software under development.

A list of small specific tasks to be completed in the scrum method of software development.

The effect that a program has on its environment.

Stores a value that will not change over the course of the entire program.

Stores whether a condition has been true yet.

Evaluates a Boolean expression and executes some code if the expression is true.

Part of a program that causes an error or undesired output.

An outline of the basic ideas behind how algorithms will work.

To run a program or a single instruction.

Describes everything about how a program exists at a given time; a snapshot of a program.

Stores user input or stores information about a program’s state that changes unpredictably.

Describe why a variable is being used in a program.

Precise rules defining how the letters, words, and punctuation of a programming language work.

Shows the ways that a program could progress from each state to other states.

Provides a developer with a way to create, run, and debug the program all in one application.

Keeps track of a best or worst and updates when a new record best or worst has been reached.

Stores one item from a list at a time during iteration.

Evaluates to either true or false; used in the conditional of an if- structure.

The part of the computer that executes one instruction at a time.

A step-by-step procedure, like a recipe, but often involving decisions.

Stores a list of values built up over time and remembers separate individual values.

A trigger from the user or from a program that causes a certain part of the program to execute.

A group of code that exists as an independent unit, which is easy to use with other code.

Variable type that maintains a running total.

Repeating a step-by-step procedure several times.

A piece of code that responds to an event.