AP CSP Unit 3

Event

associated with an action and supplies input data to a program.

Input

data that are sent to a computer for processing by a program.

Output

any data that are sent from a program to a device.

flow of execution

Can be generated when a key is pressed, a mouse is clicked, a program is started, or by any other defined action that affects the .

Documentation

a written description of how a command or piece of code works or was developed.

Sequential Programming

program statements run in order, from top to bottom.

Program Statement

a command or instruction.

Unit 3

Intro to App Design

User Interface

 the inputs and outputs that allow a user to interact with a piece of software

Program

 a collection of program statements

Event Driven Programming

 some program statements run when triggered by an event, like a mouse click or a key press

Comment

 form of program documentation written into the program to be read by people and which do not affect how a program runs

Pair Programming

 a collaborative programming style in which two programmers switch between the roles of writing code and tracking or planning high level progress

Debugging

 Finding and fixing problems in an algorithm or program

Development process

 the steps or phases used to create a piece of software