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Daz Content Burn?

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  • Ken OBanionKen OBanion Posts: 1,455

    Remember paper tape?  Man, that stuff was reliable!

     

  • mjc1016mjc1016 Posts: 15,001
    Kendall Sears said:

    Thank you.  You probably have typed in a couple of my programs from back then.  :-)  That was a fun time!

    Commodore Developer Number CT02005

    Kendall

    I know I did...some days I feel OLLLLLLLLLLLLD.

  • LeatherGryphonLeatherGryphon Posts: 12,087
    TheKD said:

    You know what would be a cool like that? A thumb drive with your purchases lol, the memory capacity of some of them are insane for their size.

    I don't think they make one big enough to hold the insanity of some of the people in this forum. surprise

     

  • LeatherGryphonLeatherGryphon Posts: 12,087
    edited November 2015
    Cybersox13 said:
    timmins.william said:

    My first computer had 64 Megs of memory.

    My first personal computer had 5K RAM and 20K ROM, the legendary Vic 20.  I expanded the RAM to a Beefy 24K, then replaced the whole computer after six months with the MUCH more powerful Commodore 64.  Man, 64K ROM and  20K ROM.  I even had a graphics tablet for it.   

    Then again,the first computer I ever operated professionally was before all that, a 24KiB IBM 360-20.  And that was running mission support at NASA's Goddard Space Flight Center.  Now I have more power on my Kindle Fire than we had on the entire floor.  :P 

    Picture it, Florida 1967 (or 8, I forget) my college gets their first computer.  IBM 1130; 8KW (16KB) core memory, 0.5MW (1MB) removable hard drive (less than a 1.44MB floppy)  cartridge that was 15 inches in diameter and weighed about 3 pounds.    System needed its own room.  CPU was the size of a large desk, and two large storage cabinets (printer and card reader) sat on either side of it.  Programs were written on punched cards in FORTRAN 66, and 1130 Assembler.  Great fun! 

     

    ibm-1130web.jpg
    860 x 606 - 41K
    Post edited by LeatherGryphon on
  • murgatroyd314murgatroyd314 Posts: 1,567

    My dad occasionally tells of his college days, working with the only computer in the state of Utah. (A Univac 1108, IIRC)

  • Oso3DOso3D Posts: 15,085
    My mother was a software engineer, has lots of interesting stories. She started in punch card days, got a Math degree from Tufts (because there were no CS degrees yet), left work to have kids, then retrained many years later and worked until retiring about 5 years back. Also interesting to see how she dealt with being a Hispanic woman in that kind of field. She once went on a business trip to Egypt. Egyptian guy would ask a question, she would answer... and then a male colleague would repeat her answer. It's weird how computers were always around, from the old kit computers onward. My dad loved gadgets.
  • fixmypcmikefixmypcmike Posts: 19,686
    LeatherGryphon said:

    Picture it, Florida 1967 (or 8, I forget) my college gets their first computer.  IBM 1130; 8KW (16KB) core memory, 0.5MW (1MB) removable hard drive (less than a 1.44MB floppy)  cartridge that was 15 inches in diameter and weighed about 3 pounds.    System needed its own room.  CPU was the size of a large desk, and two large storage cabinets (printer and card reader) sat on either side of it.  Programs were written on punched cards in FORTRAN 66, and 1130 Assembler.  Great fun! 

    And was already obsolete then, if I recall correctly?  Pretty sure I learned Fortran on an 1130 in High School, they got it after Sputnik.

  • OstadanOstadan Posts: 1,130
    Fixmypcmike said:
    LeatherGryphon said:

    Picture it, Florida 1967 (or 8, I forget) my college gets their first computer.  IBM 1130; 8KW (16KB) core memory, 0.5MW (1MB) removable hard drive (less than a 1.44MB floppy)  cartridge that was 15 inches in diameter and weighed about 3 pounds.    System needed its own room.  CPU was the size of a large desk, and two large storage cabinets (printer and card reader) sat on either side of it.  Programs were written on punched cards in FORTRAN 66, and 1130 Assembler.  Great fun! 

    And was already obsolete then, if I recall correctly?  Pretty sure I learned Fortran on an 1130 in High School, they got it after Sputnik.

    Sputnik?  No, the 1130 (according to Wikipedia) started shipping in late 1965, and introduced new models for several years after that.  We had one at our high school in 1968-1970 or so.

  • almahiedraalmahiedra Posts: 1,365
    Kendall Sears said:

    Depending on the UV exposure and storage conditions (humidity, orientation, atmospheric composition), CD and DVD-R discs can develop bad spots in <24 Months.  If exposed to direct UV, errors can develop in <2 hours.  Never trust data written to optical media beyond 24 Months.  If it is critical, make sure to transfer it to new media before then.

    See this

    https://en.wikipedia.org/wiki/M-DISC

    http://www.mdisc.com

    http://www.amazon.com/dp/B00WNAF9TC/ref=wl_it_dp_o_pd_S_ttl?_encoding=UTF8&colid=Y7WR4YQ940S5&coliid=I1MD6BRUSDPWP5&psc=1

    http://www.amazon.com/dp/B00LWDJZ8M/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&colid=2DQ0Q1EX1QRR0&coliid=I3NTJ31373JCUH&psc=1

    http://www.amazon.com/Verbatim-Disc-BDXL-Jewel-98913/dp/B011PIJPOC/ref=sr_1_1?s=electronics&ie=UTF8&qid=1447202438&sr=1-1&keywords=M-DISC+100+GB

  • Kendall SearsKendall Sears Posts: 2,995
    edited November 2015
    GiGi_7 said:
    Kendall Sears said:

    Depending on the UV exposure and storage conditions (humidity, orientation, atmospheric composition), CD and DVD-R discs can develop bad spots in <24 Months.  If exposed to direct UV, errors can develop in <2 hours.  Never trust data written to optical media beyond 24 Months.  If it is critical, make sure to transfer it to new media before then.

    See this

    https://en.wikipedia.org/wiki/M-DISC

    http://www.mdisc.com

    http://www.amazon.com/dp/B00WNAF9TC/ref=wl_it_dp_o_pd_S_ttl?_encoding=UTF8&colid=Y7WR4YQ940S5&coliid=I1MD6BRUSDPWP5&psc=1

    http://www.amazon.com/dp/B00LWDJZ8M/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&colid=2DQ0Q1EX1QRR0&coliid=I3NTJ31373JCUH&psc=1

    http://www.amazon.com/Verbatim-Disc-BDXL-Jewel-98913/dp/B011PIJPOC/ref=sr_1_1?s=electronics&ie=UTF8&qid=1447202438&sr=1-1&keywords=M-DISC+100+GB

    I am aware of M-DISC.  However, M-DISC is not the same tech as CD-R et al which use a primarily chemical method to write the bits.  M-DISC physically, permanently damages the write substrate.  However, what has not been determined is the durability of the remaining write substrate and polymer substrate clarity under conditions experienced by the average cdr/dvdr disc at the hands of the general public.  Once the remaining substrate degrades the permanance of the data written are of no consequence; and if the polymer clouds then the laser return cannot be reliably read.  Then there are the issues of delamination and warpage.

    Even physically "pressed" discs degrade, and those time periods are not measured in decades.

    EDIT:  I cut my teeth using paper tape.  To this day I believe that it is more reliable than other methods because a physical reader can be created in minutes and the data are written in raw bytes (maybe with parity).  This being said, even paper tape will degrade.

    Kendall

    Post edited by Kendall Sears on
  • Richard HaseltineRichard Haseltine Posts: 108,019
    edited November 2015
    Kendall Sears said:
    Even physically "pressed" discs degrade, and those time periods are not measured in decades.

    Storage method matters, though - I've been buying music CDs since 1987 and have had only one or two "go bad". (Edit: ignoring the dozen or so pressed by PDO that suffered bronzing due to the interaction of the lacquer with the acid in the paper of the booklet, but those were replaced by the maker).

    Post edited by Richard Haseltine on
  • mjc1016mjc1016 Posts: 15,001

    Stone tablets....now there's a close to permanent storage method.

  • LeatherGryphonLeatherGryphon Posts: 12,087

    Having lived a long and privileged life I've had dealings with members of the species known as "The Black Cloud".  They were made famous by a fiction novel of the same name by Fred Hoyle.  https://en.wikipedia.org/wiki/The_Black_Cloud  I've been told in confidence (which I am now breaking) that the Clouds store their data by the relative positioning of planets.  They've recently been complaining that planets have too much tendency to drift and change orbits so the Clouds are looking for a more permanent data storage mechanism.

  • Kendall SearsKendall Sears Posts: 2,995
    edited November 2015

    The moral of the story is that one cannot just expect to leave archival media "alone" for long periods and expect to retrieve the data intact.  Rotation and refreshing is a required part of archival, regardless of storage method.  If you want to keep it, make sure that you set a schedule to refresh the data *BEFORE* the time that the media is expected to degrade.  If that is CD-R/DVD-R expect to copy it to new media every 2 years or so.  Set a date, and do it.  Problem solved.

    Kendall

    Post edited by Kendall Sears on
  • Ken OBanionKen OBanion Posts: 1,455

    My cousin had an IBM 4361 in his garage.  (The tech companies in and around Austin, TX, had a policy when it came to upgrading their hardware: "Bring a truck.  If you haul it away, you can have it.")  

    He strapped the power supply to 110 volts and fired it up.  It ran for about fifteen minutes before he browned out the entire neighborhood!  The dial on his electric meter was spinning like a damn Frisbee!

    Good times....

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