Unit 4 Comp Sci Principles

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

Boolean Value: a data type that is either true or false

Comparison Operators: <, >, <=, >=, ==, != indicate a Boolean expression

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