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DEC's last major attempt to find a space in the rapidly changing market was the DEC Alpha 64-bit RISC processor architecture.
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DEC's and last
However, by this time other machines in DEC's lineup could fill the same niche at even lower price points, and the PDP-15 would be the last of the 18-bit series.
The last released implementation of DEC's 36-bit architecture was the single cabinet DECSYSTEM-2020, using a KS10 processor.
Berkeley's Bill Joy came to New Hampshire to work with Shannon and Stettner to wrap up a new BSD release, incorporating the UEG CPU support and drivers, and to do some last minute development and testing on other configurations available at DEC's facilities.
DEC's and major
; PDP-8: 12-bit machine with a tiny instruction set ; DEC's first major commercial success and the start of the minicomputer revolution.
DEC's and space
According to the BBC and ITV, both listed on DEC's website as part of DEC's " Rapid Response Network ", most other charitable organisations approached declined the offer of free space citing reputational concerns over association with the title.
DEC's and market
DEC's 32-bit successor to the PDP-11, the VAX ( for " Virtual Address eXtension ") overcame the 16-bit limitation, but was initially a superminicomputer aimed at the high-end time-sharing market.
* DEC's PC Challenge 1982, This corporate documentary produced by Digital Equipment Corporation ( DEC ) chronicles DECs two year odyssey to bring three personal computers, the Professional 325 ( PRO-325 ), the Professional 350 ( PRO-350 ), and the Rainbow 100 to market a year after IBM launched their personal computer.
DEC's and was
Originally designed as a follow-on to the PDP-11, DEC's VAX-11 series was the first widely used 32-bit minicomputer, sometimes referred to as " superminis ".
A persistent report attributed to DEC insiders suggests the choice of the AXP tag for the processor was made by DEC's legal department, which was still smarting from the VAX trademark fiasco.
This was followed quickly by DEC's Unibus to Ethernet adapter, which DEC sold and used internally to build its own corporate network, which reached over 10, 000 nodes by 1986, making it one of the largest computer networks in the world at that time.
The most widespread was DEC's MUMPS-11 on the PDP-11, and MEDITECH's MIIS.
* DEC's PDP-6 was the world's first commercial time-sharing system Gordon Bell interview at the Smithsonian
At the Computer History Museum TX-0 alumni reunion in 1984, Gordon Bell said DEC's products developed directly from the TX-2, the successor to the TX-0 which had been developed at what Bell thought was a bargain price at the time, about.
CMOS-6 was DEC's sixth-generation complementary metal – oxide – semiconductor ( CMOS ) process.
It was fabricated at DEC's former Hudson, Massachusetts fabrication plant, which was also sold to Intel.
It had one extra joke: an apparent entrance to the Mill ( a reference to DEC's headquarters ) that was, in fact, impassable.
DEC's previous UNIX product was known as Ultrix and was based on BSD.
DEC's original release of OSF / 1 ( OSF / 1 Release 1. 0 ) was in January 1992 for their line of MIPS-based DECstation workstations, however this was never a fully supported product and was cancelled before the end of the year.
Digital began working on a new CPU using RISC design principles in 1986 and Cutler, who was then working in DEC's DECWest facility in Bellevue, Washington, was selected to head Prism, a project to develop the company ’ s RISC machine.
TWENEX was successful and very popular ; in fact, there was a period in the early 1980s when it commanded as fervent a culture of partisans as Unix or ITS-but DEC's decision to scrap all the internal rivals to the VAX architecture and its VMS OS killed the DEC-20 and put an end to TWENEX's brief period of popularity.
DEC's PDP-1 was essentially a collection of TX-0 and TX-2 concepts in a smaller package.
JOSS was an ancestor of DEC's FOCAL and of MUMPS.
DEC's and DEC
While many attributed the success of the PDP-11 to DEC's decision to make the PDP-11 Unibus an open architecture, DEC reverted to prior philosophy with the KL, making MASSbus both unique and proprietary.
* DEC PDP-1 information – Website by < tt > greeng3 @ obscure-reference. com </ tt >, including DEC's 1963 PROGRAMMED DATA PROCESSOR-1 HANDBOOK )
DEC developed the 16-bit PDP 11 as a response to the introduction of the Data General NOVA, which had a 16-bit word length ; DEC's previous PDP-8 had only 12 bit words.
DEC engineers ported X6 to DEC's QVSS display on MicroVAX.
The organization was first proposed by Armando Stettner of Digital Equipment Corporation at a by-invitation-only meeting hosted by DEC for several UNIX system vendors ( called the " Hamilton Group ", since the meeting was held at DEC's offices on Palo Alto's Hamilton Avenue ).
After DEC, Bell went to Carnegie Mellon University in 1966 to teach computer science, but returned to DEC in 1972 as vice-president of engineering, where he was in charge of the VAX, DEC's most successful computer.
David H. Ahl worked in DEC's education department, and as a hobby he collected BASIC games and distributed them in a newsletter for DEC users ( DECUS ).
* An implementation of OPS-5 by DEC on Franz Lisp was used as the basis for a rule-based system for configuring VAX-11 computer system orders and was important to DEC's sales of these computers.
DEC's and Alpha
Microsoft eventually paid US $ 150 million and agreed to support DEC's Alpha CPU chip in NT.
Prism later surfaced as the basis of DEC's Alpha family of computer systems.
As of 1998, it used 20 multi-processor machines using DEC's 64-bit Alpha processor.
The page-level mechanism has been around for years in various other processor architectures such as DEC's ( now HP's ) Alpha, Sun's SPARC, and IBM's System / 370-XA, System / 390, z / Architecture and PowerPC.
Intel developed QPI at its Massachusetts Microprocessor Design Center ( MMDC ) by members of what had been DEC's Alpha Development Group, which Intel had acquired from Compaq and HP.
During the early 1990s, much of Shannon's focus was on DEC's development of the Alpha chip, a processor intended to replace its aging VAX CPU line.
DEC's and RISC
Armando then worked in a very small cross organizational group from which spawned DEC's first RISC workstation product, the MIPS-based DECstation 3100.
DEC's and processor
While Kalb was the Vice-President of DEC's VLSI chip-building division, some researchers in that division were building a supercomputer based on the Goodyear MPP ( massively parallel processor ) supercomputer.
DEC's and architecture
Distinct ARM architecture implementations by licensees include Apple's A6, AppliedMicro's X-Gene, Qualcomm's Snapdragon and Krait, DEC's StrongARM, Marvell ( formerly Intel ) XScale, and Nvidia's planned Project Denver.
They were based on MIPS architecture processors and ran DEC's version of the UNIX operating system, called Ultrix.
DEC's and .
The rapid rise of the business microcomputer in the late 1980s, and especially the introduction of powerful 32-bit systems in the 1990s, quickly eroded the value of DEC's systems.
The company subsequently merged with Hewlett-Packard in May 2002. some of DEC's product lines were still produced under the HP name.
Modules were part of DEC's product line into the 1970s, although they went through several evolutions during this time as technology changed.
The PDP-11 supported several operating systems, including Bell Labs ' new Unix operating system as well as DEC's DOS-11, RSX-11, IAS, RT-11, DSM-11, and RSTS / E.
AT & T became DEC's largest customer.
In large machines there were other disk operating systems, such as IBM's VM, DEC's RSTS / RT-11 / VMS / TOPS-10 / TWENEX, MIT's ITS / CTSS, Control Data's assorted NOS variants, Harris's Vulcan, Bell Labs ' Unix, and so on.
It used discrete transistors packaged in DEC's Flip-Chip technology, with backplanes wire wrapped via a semi-automated manufacturing process.
Copies of DEC's original distribution tapes are available as downloads from the Internet so that a running TOPS-10 or TOPS-20 system may be established.
; PDP-5: DEC's first 12-bit machine.
; PDP-7: Replacement for the PDP-4 ; DEC's first wire-wrapped machine.
; PDP-9: Successor to the PDP-7, DEC's first micro-programmed machine.
; PDP-15: DEC's final 18-bit machine.
The best of these correctly execute DEC's operating systems and diagnostic software.
0.610 seconds.