Unit 4: Computer Science Principles: Variables, Conditionals, and Functions Vocabulary

Vocabulary terms and definitions covering computer science fundamentals across lessons on variables, conditionals, and functions.

Assignment Operator

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

Expression

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

String

An ordered sequence of characters.

Variable

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

Boolean Value

A data type that is either true or false.

Comparison Operator

Logical Operator

NOT, AND, 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.