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Topic: Minicomputer

In the News (Tue 14 Aug 18)

  Minicomputer - Wikipedia, the free encyclopedia
Minicomputer (colloquially, mini) is a largely obsolete term for a class of multi-user computers which make up the middle range of the computing spectrum, in between the largest multi-user systems (traditionally, mainframe computers) and the smallest single-user systems (microcomputers or personal computers).
The term "minicomputer" evolved in the 1960s to describe the "small" third generation computers that became possible with the use of transistor and core memory technologies.
During the 1990s the change from minicomputers to inexpensive PC networks was cemented by the development of several versions of Unix to run on the Intel x86 microprocessor architecture, including Solaris, Linux, FreeBSD, NetBSD and OpenBSD.
en.wikipedia.org /wiki/Minicomputer   (601 words)

 Computer Industry - The Minicomputer   (Site not responding. Last check: 2007-10-21)
The first commercial minicomputer, the PDP-8, was introduced in 1965 by Digital Equipment Corporation (DEC).
Since then, DEC became the technology leader of the minicomputer era, and its sales have increased from $188 million in 1972 to $1.8 billion in 1979.
Minicomputer manufacturers such as Data General, Hewlett-Packard, Prime and Wang saw their sales grow by a factor of ten during the 1970s, while IBM continued to focus on the mainframe market.
faculty-gsb.stanford.edu /mendelson/computer_history/mini.htm   (492 words)

 ComputerTradingPost.com Archive Listings
SGI 013-3690-002 SHOEHORN, XIO TO PCI ADAPTER, OCTANE Minicomputer Exch...
SGI 030-8030-002 2MX60 SIMM FOR 4D20/4D25 Minicomputer Exch...
SGI 030-8111-002 SGI GALILEO BRD D9G-V-TWO Minicomputer Exch...
www.computertradingpost.com /archives/CTP_Archive_264.htm   (7416 words)

 Define minicomputer - a Whatis.com definition
A minicomputer, a term no longer much used, is a computer of a size intermediate between a microcomputer and a mainframe.
Typically, minicomputers have been stand-alone computers (computer systems with attached terminals and other devices) sold to small and mid-size businesses for general business applications and to large enterprises for department-level operations.
In recent years, the minicomputer has evolved into the "mid-range server" and is part of a network.
search400.techtarget.com /sDefinition/0,,sid3_gci212577,00.html   (270 words)

Multiuser computer with a size and processing power between those of a mainframe and a microcomputer.
Nowadays almost all minicomputers are based on microprocessors.
Minicomputers are often used in medium-sized businesses and in university departments handling database or other commercial programs and running scientific or graphical applications.
www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0008891.html   (103 words)

 Search Results for minicomputer - Encyclopædia Britannica
Although minicomputers date to the early 1950s, the term was introduced in the mid-1960s.
Relatively small and inexpensive, minicomputers were typically used in a single department of an organization...
Whereas the early minicomputers replaced vacuum tubes with discrete transistors, microcomputers...
www.britannica.com /search?query=minicomputer&submit=Find&source=MWTEXT   (322 words)

 Computers: The 70s   (Site not responding. Last check: 2007-10-21)
The semiconductor manufacturers, who made the minicomputer industry possible in the first place by supplying ever more powerful and less costly circuit components, are launching their own powerful microprocessors and single-board microcomputers.
A decade ago the minicomputer companies were the brash challengers, offering smaller, cheaper, albeit less powerful, products than the established mainframe manufacturers, and they succeeded in carving out a significant share of the hotly competitive market.
Data General, a pioneer among minicomputer companies in chip manufacturing, is in the process of tripling the size of its six-year-old semiconductor plant in Sunnyvale, Calif. An in-house ability to produce customized microprocessors is essential for gaining a "competitive edge" in microcomputers, stresses Jeffrey C. Kalb, vice-president and plant manager.
www.krsaborio.net /research/1970s/790319_b.htm   (1310 words)

 RFC 230 (rfc230) - Toward reliable operation of minicomputer-based termin
When a large number of user terminals are connected to TIP's through telecommunications facilities, whether within a single organization or, even more likely, when users and user groups not needing the full TIP capability are connected to a remote TIP, this problem may arise.
For terminals containing a substantial amount of logic, including possibly a minicomputer, a human user is very likely not in the direct terminal-TIP communications loop.
An interesting potential application of the network is to provide support for minicomputers used for process control and other laboratory measurement functions.
www.faqs.org /rfcs/rfc230.html   (970 words)

 Minicomputer Exchange, Inc.
Minicomputer Exchange is one of the oldest remarketed computer dealers in the world.
Since 1973, Minicomputer Exchange or MCE has been a respected leader in domestic and international computer buying and selling of servers, workstations, peripherals and technical services.
Minicomputer develops long-term relationships based on trust, the ability to deliver quickly and our own high quality standards.
www.siggraph.org /s2002/exhibition/detail/120.html   (279 words)

Minicomputers were characterised by short word lengths of 8 to 32 bits, limited hardware and software facilities and small physical size.
In recent years, improvements in device technology have resulted in minicomputers which are comparable in performance to large second generation computers and greatly exceed the performance of first generation computers.
DEC's PDP-1 was the first minicomputer and their PDP-11 was the most successful, closely followed (in both time and success) by the VAX (which DEC called a "super minicomputer").
www.instantweb.com /d/dictionary/foldoc.cgi?query=MIN   (1650 words)

 County Of Orange - Classification
This class is distinguished from the class of Data Entry Operator III by its operation and maintenance of minicomputer and peripheral equipment in addition to entering data; whereas positions in the Data Entry Operator III class mainly key data for entry.
Turns on, sets up and monitors the operation of a minicomputer; mounts and dismounts tapes and disk packs; checks tapes and disks for obvious defects that could cause processing problems.
Trace problems in a minicomputer and peripheral equipment to source and correct according to procedures; explain problems not covered by procedures to professional staff and then correct per instructions.
www.oc.ca.gov /hr/classification/dataprocessingoperator.asp   (292 words)

The 3B5 minicomputer UNIX system kernel resides in the system address space, and all operating system functions are shared by all processes and are accessed via the gate mechanism by user processes.
An ATandT 3B20S minicomputer was microcoded to emulate the WE 32000 microprocessor and the 3B5 minicomputer.
Since the 3B5 minicomputer uses a disk drive, which was not supported on other processors, it was necessary to develop a method for creating the initial file system for a 3B5 minicomputer.
cm.bell-labs.com /cm/cs/who/dmr/otherports/newp.html   (7548 words)

 What is minicomputer? - A Word Definition From the Webopedia Computer Dictionary
In size and power, minicomputers lie between workstations and mainframes.
In the past decade, the distinction between large minicomputers and small mainframes has blurred, however, as has the distinction between small minicomputers and workstations.
But in general, a minicomputer is a multiprocessing system capable of supporting from 4 to about 200 users simultaneously.
www.webopedia.com /TERM/c/minicomputer.html   (137 words)

 DTACK GROUNDED #9 -- May 1982
And, being experienced, successful (in the minicomputer world) professionals, they are utterly convinced that the ways of doing business in the minicomputer world are the laws of the natural universe.
A personal computer company under minicomputer type management recently released a new personal computer which was supported by an electronic spread sheet (which existed), a text editor (which did not exist) and an emulation mode (which mostly didn't work) for an earlier, successful personal computer.
Since the silicon fabricators are constantly providing the minicomputer boys with bigger, better and cheaper tools, minicomputer organizations can ALWAYS come out with a new model that is better than their competitor's last years' model.
www.amigau.com /68K/dg/dg09.htm   (9400 words)

 Control Data Corporation - Wikipedia, the free encyclopedia
The 1604 designation was chosen by adding their address (501) to Cray's former project, the 1103.
A 12-bit cut-down version was also released as the CDC 160A in 1960, arguably the first minicomputer.
The 160A was particularly notable as it was built into a standard office desk, a rather unusual packaging for that era.
en.wikipedia.org /wiki/Control_Data_Corporation   (2847 words)

The minicomputer evolved from a conceptual view of design wherein a programmable controller was perceived to be the cheapest, fastest way to implement a special-purpose function.
The minicomputer did not require the generality of larger computers and hence required less software and less overhead.
From these origins, where the minicomputer was considered to be the minimal-complexity computer, the minicomputer has grown in functionality and performance to the point where it rivals the higher-cost, general-purpose computers of a decade ago.
research.microsoft.com /~gbell/Computer_Structures_Principles_and_Examples/csp0663.htm   (584 words)

 minicomputer   (Site not responding. Last check: 2007-10-21)
APPLICATION: The ability to connect minicomputers to each other and mainframes has popularised them among larger businesses.
This use is being challenged by the developments in the microcomputer range and the practice of sharing resources of microcomputers under a network.
Minicomputers are still recognised as being able to process large amounts of data.
doit.ort.org /course/range/404.htm   (53 words)

 The Secret Guide to Computers: Buyer's Guide
But a special kind of minicomputer acts as a graphics/engineering workstation instead: it’s used to produce graphics that are extra big, extra high-quality, and extra fast, for beautiful artwork, Hollywood special effects, ads, magazines, and “artist renderings” of creations by architects and engineers.
Companies who make “maxicomputers” and “minicomputers” feel nervous about using those terms, which are less modern and less cool than “microcomputers”, so they typically advertise their computers as being “powerful servers” instead.
and the remaining 2% are weird (maxicomputers, minicomputers, wild ducks).
www.gis.net /~poo/27buyer.html   (6517 words)

 Computers: The 70s   (Site not responding. Last check: 2007-10-21)
After a year of rumors -- and a sell-off of minicomputer stocks by nervous investors -- IBM finally unveiled its "Peachtree" system, its code name for its first venture into the world of minicomputers.
But to many minicomputer industry analysts and executives, the announcement seemed to be a "good news, bad news" situation.
The bad news was that the new IBM machine is a threat to most of the larger minicomputer makers.
www.krsaborio.net /research/1970s/761129.htm   (745 words)

 Selection and implementation of a minicomputer system
The problems are discussed of selecting and implementing a minicomputer system, with particular reference to the key stages in the various decision making processes involved.
Following a brief description of a typical minicomputer, the range and purpose of the various system inputs and outputs is presented.
This leads to discusson of: the function of the system; the type of equipment required to implement that function; the class of minicomputer suited to that requirement; the type of system which should be purchased-i.e.
stacks.iop.org /0022-3735/6/1161   (249 words)

 Minicomputer Systems: Organization, Programming, and Applications (PDP-11)   (Site not responding. Last check: 2007-10-21)
This second, revised and updated edition of Minicomputer Systems: Organization, Programming, and Applications was written for a diverse group of readers, including systems programmers, systems designers, computer scientists, electrical engineers, applications specialists, and many others who want a full, working knowledge of computer organization and assembly language programming.
Such advancement in understanding is the direct product of twelve detailed and easy-to-follow chapters that are unified by the use of FORTRAN for algorithm definition and the PDP-11 minicomputer for assembly language examples and illustrations.
Minicomputer Systems opens with a general introduction to computer applications, capabilities, limitations, organization, architecture, and implementation.
www.cs.umb.edu /~eckhouse/mini.html   (219 words)

The prior review found that minicomputer conversion risks continued to be high because one-third of the systems missed the target date, milestone dates were changed, and conversion delays were evident weeks before they were reported.
In our earlier report, we identified that minicomputer risk remains high because one-third of the minicomputer systems were not converted by the January 31, 1999, target date.
However, oversight of the minicomputer conversion efforts remains critical to ensure that all systems are converted timely and that contingency plans are made ready as the Year 2000 approaches.
www.ustreas.gov /tigta/auditreports/reports/200020024fr.html   (3385 words)

Perhaps the most useful definition of a minicomputer system is based on price: depending on one's perspective such systems are typically found in the $20K to $200K range.
The twin forces of market pull-as customers build increasingly complex systems on minicomputers-and technology push-as the semiconductor industry provides increasingly lower cost logic and memory elements-have induced minicomputer manufacturers to produce systems of considerable performance and memory capacity.
From an architectural point of view, the characteristic which most distinguishes many of these systems from larger mainframe computers is the size of the virtual address space: the immediately available address space seen by an individual process.
research.microsoft.com /~gbell/Computer_Structures_Principles_and_Examples/csp0732.htm   (715 words)

 MSN Encarta - Search Results - minicomputer
The computer, a commonplace tool of big industry and institutions in the early 1970's, has begun to filter down into small businesses and into the home over the past few years.
But by 1978, cost and size had been reduced...
Exclusively for MSN Encarta Premium Subscribers--quickly search thousands of articles from magazines such as Time, Newsweek, The Atlantic Monthly, and Smithsonian.
encarta.msn.com /minicomputer.html   (114 words)

 Minicomputer Associates Limited - Bespoke Programming   (Site not responding. Last check: 2007-10-21)
Minicomputer Associates specialities are client/server systems, where Minicomputer Associates develops both the client and the server.
Client side applications are typically written in Microsoft Visual Basic, supplemented with high performance Active/X controls or Dynamic Link Libraries written in C. Server side applications may also be written in Microsoft Visual Basic or may be built on proprietary database systems such as Microsoft SQL Server or Oracle.
In the case where no specification is available, Minicomputer Associates Limited will undertake a period of consultancy work leading to the writing of a specification and the supply of a quotation to implement the specification at a fixed price.
www.mal.dircon.co.uk /fbespoke.html   (188 words)

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