comp sci unit 4

expression

A combination of operators and values that evaluate to a single value

Variable

Holds one value at a time.A value that can be used repeatedly throughout the program.

Assignment operator

Allows a program to change the value represented by a variable. 

(tells a variable to hold something)

string

Made of any characters inside the double quotes

Concatenation

joining things together

boolean value

A data type that's either true or false

comparison operators

<, >, <=, >=, ==, !=, indicates a boolean expression.

boolean expression

^{An expression that evaluates to either true or false}

function

^{A named group of programming instructions.}

function call

^{A command that executes the code within a function}

logical operator

^{An “and” (&&) or (||) or not (!) that are used in boolean expressions}