CSP Unit 4

function

function

takes inputs and runs code using those inputs named groupings of programming instructions.

selection

determines which path a program takes when it is running

parameter

input variables of a procedure

argument

specify the values of the parameters when a procedure is called

global variable

A variable whose scope is "global" to the program, it can be used and updated by any part of the code. Its global scope is typically derived from the variable being declared (created) outside of any function, object, or method

local variable

A variable with local scope is one that can only be seen, used and updated by code within the same scope. Typically this means the variable was declared (created) inside a function -- includes function parameter variables.

conditional statement

statements that only run under certain conditions

boolean expression

in programming, an expression that evaluates to True or False.

boolean value

a single value of either TRUE or FALSE

Relational Operator

used to test the relationship between two variables, expressions, or values

Assignment Operator

functions to change the value that is stored inside a variable

string

an ordered list of characters

expression

can consist of a value, a variable, an operator, or a procedure call that returns a value

events

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

function call

a call that passes control to a subroutine; after the subroutine is executed control returns to the next instruction in main program

the piece of code that you add to a program to indicate that the program should run the code inside a function at a certain time