Mainframe Computer


Mainframe Computer


Mainframes are characterized by large internal memory storage and comprehensive range of software and peripheral equipment that might be connected. Mainframe computers occupy specially wired, air - conditioned rooms. Although not nearly as powerful as supercomputers, mainframe computers are capable of great processing speeds and data storage. In these computers processing capacity and speed are very fast and more then one user works at a times. Multicast was a mainframe timesharing operating system which was developed at Bell Laboratories. A typical  super computer at CRAY - 1 costs about $20 million. These computers are used I scientific and business application. For example, insurance company use mainframes to process information about million of policy holders. Example are IBM - 370, IBM - S / 390, DEC VAX - 8800 and UNIVAC - 1110.

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