Computer Science Principles Unit 5
Terms in this set (21)
A function specified as part of an event listener; it is written by the programmer but called by the system as the result of an event trigger.
Controls, like click, scroll, move mouse, type keyboard key, etc.
A program designed to run blocks of code or functions in response to specified events.
An overarching term for the coding tasks involved in making your app respond to events by triggering functions.
A command that can be set up to trigger a function when a particular type of event occurs on a particular UI element.
Objects, like buttons, images, text boxes, pull down menus, screens and so on.
An app refers to how a person (user) interacts with the computer or app.
Finding and fixing problems in your code or algorithm
All values in a programming language have a "type" - such as a Number, Boolean, or String - that dictates how the computer will interpret it.
Any valid unit of code that resolves to a single value.
it's a piece of memory in which you can change what's stored.
dictates what portions of the code can "see" or use a variable, typically derived from where the variable was first created.
A variable whose scope is "global" to the program, it can be used and updated by any part of the code.
A variable with local scope is one that can only be seen, used and updated by code within the same scope.
Any sequence of characters between quotation marks
to link together or join. Typically used when joining together text Strings in programming
Statements that only run under certain conditions.
The common programming structure that implements "conditional statements".
A generic term for a type of programming statement that uses a Boolean condition to determine, or select, whether or not to run a certain block of statements.
A single value of either TRUE or FALSE
in programming, an expression that evaluates to True or False
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