An operatorA character, or characters, that determine what action is to be performed or considered. is a character, or characters that determine what action is to be performed or considered.
There are three types of operator that programmers use:
arithmetic operatorA mathematical function that is used to perform a calculation, eg add, subtract, multiply and divide.
relational operator An operator that compares two values.
Boolean operatorAND, OR and NOT. Used to build complex queries in a database.
These operators are common to most high-level languageAlso known as high level language. This is a computer programming language used to write programs. High-level languages need to be translated into machine code through a compiler, interpreter or assembler.