APCSP Unit 4 Vocabulary

Expression

a combination of operators and values that evaluates to a single value

assignment operator

allows a program to change the value represented by a variable

variable

a named reference to a value that can be used repeatedly throughout a program

string

an ordered sequence of characters

comparison operators

<,>,<=,>=,==,!= indicate a boolean expression

logical operator

NOT, AND, & OR, which evaluate to a boolean value

Conditional Statement

affects the sequential flow of control by executing different statements based on the value of a boolean expression

function

a named group of programming instructions. also referred to as a procedure

function call

a command that executes the code within a function

boolean value

a data type that is either true or false