Mainframe computer It is the earliest computer which is large in size with a very high capacity of main storage. It can process large amounts of data very quickly. It is used in big companies, banks and government developments. It is usually kept in an air conditioned environment in a special room. It can be linked into a network with smaller departmental computers, microcomputers or with each other. It can handle hundreds of users and have enormous backing storage capacity. Examples are IBM 4381, ICL39 series, CDC cyber series.
Mainframe computer It is the earliest computer which is large in size with a very high capacity of main storage. It can process large amounts of data very quickly. It is used in big companies, banks and government developments. It is usually kept in an air conditioned environment in a special room. It can be linked into a network with smaller departmental computers, microcomputers or with each other. It can handle hundreds of users and have enormous backing storage capacity. Examples are IBM 4381, ICL39 series, CDC cyber series.