home.social

#dec — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #dec, aggregated by home.social.

  1. Joe @bitsplusatoms ·

    From Paul McJones on LinkedIn:

    Most people are familiar with Niklaus Wirth's sequence of languages [EULER, PL360, Algol W,] Pascal, [Modula,] Modula-2, Oberon. But a parallel sequence, designed at and System Research Center, is not so well known: MPL, Mesa, Cedar, Modula-2+, Modula-3. I … decided to capture as much of the history as possible of these "shadow" languages:
    MPL/Mesa/Cedar: lnkd.in/gnUa6WU6
    Modula-2+: lnkd.in/gnuqCrxV
    Modula-3: lnkd.in/g5iwK5jD

  2. From Paul McJones on LinkedIn:

    Most people are familiar with Niklaus Wirth's sequence of languages [EULER, PL360, Algol W,] Pascal, [Modula,] Modula-2, Oberon. But a parallel sequence, designed at #Xerox #PARC and #DEC System Research Center, is not so well known: MPL, Mesa, Cedar, Modula-2+, Modula-3. I … decided to capture as much of the history as possible of these "shadow" languages:
    MPL/Mesa/Cedar: lnkd.in/gnUa6WU6
    Modula-2+: lnkd.in/gnuqCrxV
    Modula-3: lnkd.in/g5iwK5jD

  3. Here's a story of a lost #joke One of the funniest pieces of spontaneous repartee ever devised and uttered by yours truly. Read on and share my sorrow.

    #DEC #DigitalEquipmentCorporation #VAX #VMS #Pun #PlayOnWords

    (ETA hashtags)

    /1

  4. Here's a story of a lost #joke One of the funniest pieces of spontaneous repartee ever devised and uttered by yours truly. Read on and share my sorrow.

    #DEC #DigitalEquipmentCorporation #VAX #VMS #Pun #PlayOnWords

    (ETA hashtags)

    /1

  5. Here's a story of a lost #joke One of the funniest pieces of spontaneous repartee ever devised and uttered by yours truly. Read on and share my sorrow.

    #DEC #DigitalEquipmentCorporation #VAX #VMS #Pun #PlayOnWords

    (ETA hashtags)

    /1

  6. Внутреннее устройство ОС RT-11: копаемся в исходом коде. Часть первая

    RT-11 — это операционная система из 1970-х годов для популярного в то время мини-компьютера PDP-11 фирмы DEC. В СССР известна под именами Электроника 60, ДВК, БК 0011М. Для тех, кто любит изучать чужой код в поисках инженерной эстетики — дальнейшее изложение.

    habr.com/ru/articles/1026302/

    #RT11 #PDP11 #DEC #БК0010 #РАФОС #ФОДОС

  7. Occasionally I work on my PDP11/70 emulator (toy-project, in my spare time). The latest version can run BSD 2.11 multi-user on an ESP32-S3. Even though I wrote the emulator myself, I'm still amazed about the physical reduction in size. On the left in the picture below you see the original device (the thing in the 19" rack with all the lights and switches), on the right you see the ESP32: smaller than my hand!

    #retro #emulation #pdp11 #dec #embedded #c++

  8. This is still my favourite personal hackery/security story, and the only one I have ever written about where I am on the naughty-side of the desk.

    Different times!

    artofsecurity.com/2011/humble

    #Security #InfoSec #Hacking #DEC #VAX #VMS #Teletype #Blog #History #UniversityofLeicester #FoiledAgain

  9. This is still my favourite personal hackery/security story, and the only one I have ever written about where I am on the naughty-side of the desk.

    Different times!

    artofsecurity.com/2011/humble

    #Security #InfoSec #Hacking #DEC #VAX #VMS #Teletype #Blog #History #UniversityofLeicester #FoiledAgain

  10. This is still my favourite personal hackery/security story, and the only one I have ever written about where I am on the naughty-side of the desk.

    Different times!

    artofsecurity.com/2011/humble

    #Security #InfoSec #Hacking #DEC #VAX #VMS #Teletype #Blog #History #UniversityofLeicester #FoiledAgain

  11. This is still my favourite personal hackery/security story, and the only one I have ever written about where I am on the naughty-side of the desk.

    Different times!

    artofsecurity.com/2011/humble

    #Security #InfoSec #Hacking #DEC #VAX #VMS #Teletype #Blog #History #UniversityofLeicester #FoiledAgain

  12. The slide deck of the 2006 talk "The Birth and Passing of Minicomputers: From A Digital Equipment Corp. (DEC) Perspective" by Gordon Bell.

    bitsavers.org/pdf/dec/history/

    #dec #retrocomputing

  13. War schon 1982 klar, dass das mit dem Wal so kommen musste:

    The Baltic See is getting warmer!
    Gemessen und berechnet mit KSR4100 aus CZJ Jena, aka PDP-8

    pflegende.wordpress.com/2025/0 #COCOM, #COMECON, #DDR, #DEC, #Emulation, #History, #PDP-8, #PDP8, #ROBOTRON #retrocomputing

  14. I sort of miss programming on a DECwriter (teletype). There was something satisfying in literally pushing a key down and seeing punch-paper tape spew out. You were creating something. Now, everything you do is just feeding an LLM without any real result.

    #programming #dec

  15. Trying out #Mastodonochrome by @simontatham on my trusty old #DEC #VT420 terminal.
    Generally works ok, but all normal text is flashing for some reason. And it's not respecting my ISO-8859-1 codepage preference.
    But it's fun that it's running at all! It does have a #BBS feeling. 😄
    #retroComputing

  16. Bitsavers posted several transcripts of DEC oral history interviews with company leaders, engineers, and researchers such as Ken Olsen, Gordon Bell, Butler Lampson, Bob Taylor, and more.

    bitsavers.org/pdf/dec/history/

    #dec #retrocomputing

  17. @elfin @doctorwhom funny, i worked as a sub at data general in westfield #compaq #dec

  18. Boards of Canada - Olson, on a PDP-1 from 1959. 🎶

    ”The PDP-1 was never intended to produce audio […] It does however have six "program flags," which are flip-flops wired to six light bulbs on the control panel. A CPU instruction provides the ability to turn these light bulbs on or off via software.”

    youtube.com/watch?v=wubkrBd3-gg
    computerhistory.org/blog/pdp-1
    #BoardsOfCanada #dec #pdp1 #RetroComputing #ComputerHistoryMuseum

  19. DEC. История в лицах. PDP-1 (I)

    Памяти Кеннета Олсена, родившегося в этот день ровно 100 лет назад Уже глубоко за полночь 1 декабря 1959 года, а именно в 1:30, едва Лоис Андерсон уложила спать третьего, младшего ребенка в семье, раздался телефонный звонок. Из отеля «Статлер Хилтон» в Бостоне Харлан Андерсон позвонил супруге, предупредив о том, что не сможет приехать ночевать домой: прототип PDP-1, исправно работавший в стенах DEC, по известному закону подлости отказывался работать в выставочном зале. До открытия компьютерной конференции оставалось менее восьми часов...

    habr.com/ru/companies/timeweb/

    #DEC #Digital #VAX #PDP #Olsen #Maynard #timeweb_статьи

  20. Taken from a social media post by Michel Talbot.
    Let me add that in this context, Operating System Programmer is akin to a hero in an ancient Greek myth.

    ***

    PDP-6
    Digital Equipment Corporation, Maynard, Massachusetts, United States (February 26, 1964)

    Standing:
    Peter Sampson, Operating System Programmer
    Leo Gossell, Diagnostic Software Programmer
    Chester Gordon Bell, PDP-6 System Designer (Creator)
    Alan Kotok, Operating System Lead
    Russell Doane, Circuit Design Engineer
    Bill Kellicker, Programmer
    Bob Reed, Hardware Technician
    George Vogelsang, Draftsman.
    Sitting:
    Lydia Lowe (McKalip), Secretary to C. Gordon Bell
    Bill Colburn, PDP-6 Project Engineer
    Ken Senior, Field Service Technician
    Ken Fitzgerald, Mechanical Engineer
    Norman Hurst, Programmer
    Harris Hyman, Operating System Programmer

    References
    <en.wikipedia.org/wiki/PDP-6>
    PDP-6 System Description, DEC 1964 (4 MB) <bitsavers.org/pdf/dec/pdp6/bro>
    Digital Equipment Corporation PDP Tree by G.Bell, 1980 (Wall Poster) 1700×1141 <landley.net/history/mirror/dec>

    #ComputerHistory
    #DEC
    #Demigods
    #DigitalEquipmentCorporation
    #PDP
    #PDP6

  21. A short overview and history of the PDP-10 family of DEC computers with references to preservation and emulation resources.

    timereshared.com/dec-pdp-10

    #pdp10 #DEC #retrocomputing

  22. [Перевод] Бунт против IBM или как хакеры сломали систему и сделали компьютеры персональными

    В 1974 году Тед Нельсон явил миру литературного кентавра — книгу, столь же эксцентричную, как и ее создатель. Чтобы оплачивать счета, Нельсон вынужденно читал лекции по социологии в Иллинойсском университете — хотя в душе был технологическим Че Геварой. Еще в свингующие шестидесятые он родил идею «гипертекста» — системы, связывающей документы невидимыми нитями, и окрестил ее «Проектом Ксанаду». Проект, правда, походил на линию горизонта — прекрасен, грандиозен, но вечно в стадии «почти готово». Нельсона терзала одна несправедливость. Его коллеги-радикалы смотрели на компьютеры с суеверным ужасом — как средневековые крестьяне на алхимиков. Для бунтующей контркультуры тогдашние ЭВМ казались железными церберами. Нельсон не спорил: да, сейчас эти машины используют жестоко. Но в них он видел не кандалы, а ключ от темницы. Вперед, в 70-е! →

    habr.com/ru/companies/selectel

    #selectel #pdp #ibm #dec

  23. Saturday, 6th, Dec, 2025: Dr Varun Kommidi GP, Prahran Market Clinic, TGA Announces Some Concerns over Ozempic.

    Sally and Kenny are joined live in the studio by Dr Varun Kommidi, GP, Prahran Market Clinic. The…
    #NewsBeep #News #Health #2025:DrVarunKommidiGP #6th #AU #Australia #dec. #JamesWFRoberts #JOYMedia #JOY949 #KennyHill #PaulHorwell #PrahranMarketClinic #RYANTOM #SallyCapp #saturday #SaturdayMagazine #TGAAnnouncesSomeConcernsoverOzempic.
    newsbeep.com/au/332644/

  24. STP Spanning Tree Protocol
    Programming by Radia Perlman

    Currently doing refreshing research on STP an incredible protocol which prevents bridge loops, which can result in network saturation and collapse. Backup links and fault tolerance are also built in STP

    Radia Perlman is a brilliant programmer!

    #Networking #STP #programming #DEC #Spanning #Tree #Protocol #Radia #Perlman #RetroComputing #RetroTechnology #ModernComputing #technology

    en.wikipedia.org/wiki/Spanning