- Console
- The master terminal for the computer. Certain operating functions are reserved to the console on some computers. e.g. diskette and printer control. On some computers the console can also serve as a Work Station.
- Job Queue
- A series of procedures which are run one at a time as the system has sufficient resources available. Reports are often produced this way.
- Menu
- A list of options that are available to be performed. The user enters the number of the option to be selected.
- Work Station
- A terminal that communicates with the computer. It is used to enter input to application systems and select the sequence in which functions are to be performed.