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One generation's "supercomputer" is the next generation's "mainframe", and a "PDA" does not have the same set of functions as a "laptop", but the list still has value, as it provides a ranked categorization of devices. It also ranks some more obscure computer sizes.
The term supermini computer or simply supermini was used to distinguish more powerful minicomputers that approached mainframes in capability. Superminis (such as the DEC VAX or Data General Eclipse MV/8000 ) were usually 32-bit at a time when most minicomputers (such as the PDP-11 or Data General Eclipse or IBM Series/1 ) were 16-bit .
A mainframe computer, informally called a mainframe or big iron, [1] is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as censuses, industry and consumer statistics, enterprise resource planning, and large-scale transaction processing.
In addition, minicomputers were more interactive than mainframes, and soon had their own operating systems. The minicomputer Xerox Alto (1973) was a landmark step in the development of personal computers, because of its graphical user interface, bit-mapped high-resolution screen, large internal and external memory storage, mouse, and special ...
A minicomputer, or colloquially mini, is a type of general-purpose computer mostly developed from the mid-1960s [1] [2], built significantly smaller and sold at a much lower price than mainframe [3] and mid-size computers from IBM and its direct competitors. By 21st century-standards however, a mini is an exceptionally large machine ...
For example, the computers behind the first Space Shuttle simulator consisted of thirty-six 32-bit minis inputting and/or outputting data to networked mainframe computers (both IBM and UNIVAC), all in real-time. The 8/32 was used in the Lunar and Planetary Laboratory, Department of Planetary Sciences at the University of Arizona for research ...
HP 3000 Series III. The HP 3000 series [1] is a family of 16-bit and 32-bit minicomputers from Hewlett-Packard. [2] It was designed to be the first minicomputer with full support for time-sharing in the hardware and the operating system, features that had mostly been limited to mainframes, or retrofitted to existing systems like Digital's PDP-11, on which Unix was implemented.
J and MultiJob – for the System 4 series mainframes; GEORGE 2/3/4 GEneral ORGanisational Environment – used by ICL 1900 series mainframes; Executive – used on the 1900 and 290x range of minicomputers. A modified version of Executive was also used as part of GEORGE 3 and 4. TME – used on the ME29 minicomputer
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