Finding and fixing problems in an algorithm or program.

program statements run in order, from top to bottom.

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

a collection of program statements. Programs run (or “execute”) one command at a time.

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

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

a command or instruction. Sometimes also referred to as a code statement.

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

data that are sent to a computer for processing by a program. Can come in a variety of forms, such as tactile interaction, audio, visuals, or text. What we give the computer.

any data that are sent from a program to a device. Can come in a variety of forms, such as tactile interaction, audio, visuals, or text. What the computer gives us.

the steps or phases used to create a piece of software. Typical phases include investigating, designing, prototyping, and testing

the inputs and outputs that allow a user to interact with a piece of software. It can include a variety of forms such as buttons, menus, images, text, and graphics.