Functions and procedures allow the programmer to …

Database is a collection of organized data, the types of database:

Security - methods taken to prevent unauthorised access to data and to recover data if lost or corrupted.

Computer Ethics regulate how computing professionals should make decisions regarding professional & social conduct.

Operating System OS - the software that provides an environment in which applications can run and provides an interface between hardware and human operators.

ROM - Read Only Memory, primary memory unit that can only be read from.

Local Area Network LAN - network covering a small area such as a single building