mainframe

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Related to Midrange computer: mainframe computer, personal computer

mainframe

a large-scale COMPUTER with big data-storage facilities which is often accessible simultaneously from many terminals. Mainframe computers are used by large data-processing departments in businesses for sales and purchase ledger record-keeping, etc.

As MICROCOMPUTERS and MINICOMPUTERS become more powerful in terms of data-processing, speed and data-storage capacity, the distinction between the three types of computer has become blurred.

References in periodicals archive ?
For example, the financial department's IBM AS400 midrange computer can read those spreadsheets in order to measure real-time production data against expected costs.
Alpha Microsystems[24], which started out as a midrange computer systems manufacturer, has evolved substantially and caters to the changing needs of its consumers in the multi-user environment.
The Sola 700 UPS is suited for all microprocessor-based equipment, including midrange computer systems, CAD/ CAM workstations, file servers, retail POS systems, industrial controls and automation, LAN/WAN equipment, and telecommunications systems.
The PC-based solution appeared to offer the flexibility the midrange computer lacked.
Louis Park city staff can take data from its midrange computer and, in conjunction with its GIS, determine and map how many recycling households are in any given neighborhood and target low participation areas for recycling marketing efforts to further improve participation levels.
Contract Awarded for midrange computer and services
This agreement complements Allied's decision in June 2001 for IBM to manage its mainframe and midrange computer operations.
All five mini-computers are tied into a DEC VAX midrange computer at the Florida headquarters.
All vendor shipments arriving at the Portland DC are identified by purchase order to Johnstone's RS/6000 midrange computer. Cartons with bar codes are scanned by a hand held terminal and the data uploaded to the host for confirmation that the receipt is complete.