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PDP-1 # 44 was found in a barn in Wichita, Kansas in 1988, apparently formerly owned by one of the many aviation companies in the area, and rescued for the Digital Historical Collection, also eventually ending up at the CHM.
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PDP-1 and #
Computer Science House's " Internet Coke Machine " was listed as # 3 in a list of " The Ten Greatest Hacks of All Time " in PC Magazine, behind NASA's efforts to save Apollo 13 and the PDP-1 game Spacewar!
PDP-1 and was
The first PDP-1 was delivered to Bolt, Beranek and Newman in November 1960, and formally accepted the next April.
The PDP-1 was supplied standard with 4096 words of core memory, 18-bits per word, and ran at a basic speed of 100, 000 operations per second.
During construction of the prototype PDP-1, some design work was carried out on a 24-bit PDP-2, and the 36-bit PDP-3.
The PDP-4 was similar to the PDP-1 and used a similar instruction set, but used slower memory and different packaging to lower the price.
A more dramatic upgrade to the PDP-1 series was introduced in August 1966, the PDP-9.
The new machine, the first outside the PDP-1 mould, was introduced at WESTCON on 11 August 1963.
" Much of the TMRC's jargon was later imported into early computing culture, because the club started using a DEC PDP-1 and applied its local model railroad slang in this computing context.
Architecturally it was essentially a PDP-1 stretched to 36-bit word width.
The PDP-1 ( Programmed Data Processor-1 ) was the first computer in Digital Equipment Corporation's PDP series and was first produced in 1960.
The PDP-1 was also the original hardware for playing history's first game on a minicomputer, Steve Russell's Spacewar !.
The PDP-1 was built mostly of DEC 1000-series System Building Blocks, using Micro-Alloy and Micro-Alloy-Diffused transistors with a rated switching speed of 5 MHz.
The design of the PDP-1 was based on the pioneering TX-0 computer, designed and built at MIT Lincoln Laboratory.
The first PDP-1 was delivered to Bolt, Beranek and Newman ( BBN ) in November 1960, and formally accepted the next April.
In 1962, DEC donated the engineering prototype PDP-1 to MIT, where it was placed in the room next to its ancestor, the TX-0 computer, which was by then on indefinite loan from Lincoln Laboratory.
A typical PDP-1 operating procedure was to output text to punched paper tape using the PDP-1's " high speed " ( 60 character per second ) Teletype model BRPE punch, then to hand carry the tape to a Flexowriter for offline printing.
MIT hackers also used the PDP-1 for playing music in four-part harmony, using some special hardware — four flip-flops directly controlled by the processor ( the audio signal was filtered with simple RC filters ).
At the same meeting, Jack Dennis said Ben Gurley's design for the PDP-1 was influenced by his work on the TX-0 display.
At the museum's PDP-1 restoration celebration in May 2006, Alan Kotok said his Macintosh PowerBook G4 laptop was 10, 000 times faster, came with 100, 000 times the RAM and 500, 000 times the storage, was 1 / 2000 the size, and cost 1 / 100 as much.
In 2011, Bushnell stated that the game was inspired by previous versions of electronic tennis he had played before ; Bushnell played a version on a PDP-1 computer in 1964 while attending college.
DEC's PDP-1 was essentially a collection of TX-0 and TX-2 concepts in a smaller package.
Bolt, Beranek and Newman had a " similar program " and T-Square was developed by Peter Samson and one or more fellow MIT students in 1962, both for the PDP-1.
PDP-1 and owned
He was involved in early work on time-sharing through the PDP-1 which his research group owned at MIT ; that hardware later became famous in computer science history as the machine on which hacker culture started.
PDP-1 and by
* TX-0 designed by MIT's Lincoln Laboratory, important as influence for DEC products including Ben Gurley's design for the PDP-1
Offline devices were typically Friden Flexowriters that had been specially built to operate with the FIO-DEC character coding used by the PDP-1.
* DEC PDP-1 information – Website by < tt > greeng3 @ obscure-reference. com </ tt >, including DEC's 1963 PROGRAMMED DATA PROCESSOR-1 HANDBOOK )
One such system had been developed for the PDP-1 at MIT by Daniel Murphy before he joined BBN.
An example of this is the core memory used by Digital Equipment Corporation for their PDP-1 computer ; this strategy continued through all of the follow-on core memory systems built by DEC for their PDP line of air-cooled computers.
TMRC was even offered its own PDP-1 by 1965, although it had no space in which to install it and thus was forced to decline the gift.
in which two space ships, controlled by toggle switches on the PDP-1, would fly around the screen and shoot torpedoes at each other.
One was started by Jack Dennis for the PDP-1, and one was started by Professor Fernando J. Corbató for the IBM 7090.
When he first got into MIT he was intent on making the Dean's List, but by his sophomore year he flunked out, because he was spending too much time hacking relay circuits at the TMRC and programming for the PDP-1.
It was first implemented on the PDP-1 and was used to provide a commercial time sharing service by BBN in the Boston area and later by Time Sharing Ltd. in the United Kingdom.
The museum has several additional exhibits, including a Difference Engine designed by Charles Babbage in the 1840s and constructed by the Science Museum, a restoration of a historic PDP-1 minicomputer, and a new exhibit on Google Street View and the history of " surrogate travel ".
BBN's initial system, designed by Sheldon Boilen, supported five simultaneous users on a DEC PDP-1, all sharing a single CRT screen for output.
PDP-1 and one
Six of them, including Kotok, Samson, Saunders, and Wagner, spent a total of two hundred and fifty man-hours one weekend to rewrite the TX-0 compiler for the PDP-1 because they did not like the first choice.
Greenblatt felt compelled to implement a Fortran compiler for the PDP-1, which did not have one at the time.
Steve " Slug " Russell is a programmer and computer scientist most famous for creating Spacewar !, one of the earliest videogames, in 1961 with the fellow members of the Tech Model Railroad Club at MIT working on a DEC Digital PDP-1.
Wesley Allison Clark ( born 1927 ) is a computer scientist and one of the main participants, along with Charles Molnar, in the creation of the LINC laboratory computer, which was the first mini-computer and shares with a number of other computers ( such as the PDP-1 ) the claim to be the inspiration for the personal computer.
PDP-1 and many
Among the machines mentioned are the Altair 8800, Apple II, Atari 800, IBM PC, PDP-1, TX-0, and many others.
PDP-1 and for
The PDP-1 sold in basic form for $ 120, 000, or about $ 900, 000 in 2011 US dollars.
In this setting, the PDP-1 quickly replaced the TX-0 as the favourite machine among the budding hacker culture, and served as the platform for a wide variety of " firsts " in the computing world.
The PDP-1 sold in basic form for.
The TX-0 and its direct descendant, the original PDP-1, were platforms for pioneering computer research and the development of what would later be called computer " hacker " culture.
The first version of DDT was developed at MIT for the PDP-1 computer in 1961, but newer versions on newer platforms continued to use the same name.
The DEC founders Ken Olsen and Harlan Anderson recruited him for their new company in 1960, where he designed the I / O subsystem of the PDP-1, including the first UART.
He even programmed a FORTRAN compiler for the PDP-1.
0.470 seconds.