Display-less computing was Re: TOP POSTING
tulsamike3434 at gmail.com
Sat Dec 12 08:18:54 CST 2015
> On Dec 12, 2015, at 7:49 AM, Nico de Jong <nico at farumdata.dk> wrote:
> ----- Original Message -----
> From: "Mike" <tulsamike3434 at gmail.com>
> To: "General Discussion: On-Topic and Off-Topic Posts"
> <cctalk at classiccmp.org>
> Sent: Saturday, December 12, 2015 2:22 PM
> Subject: Re: [cctalk] Re: TOP POSTING
>> The one question I do have for the older gentlemen on here is what in the
>> world did the computers without a screen to look at do? Now I know about
>> the tape, > cassette tape's and even the paper with the hole punches in
>> them but what kind of applications were they use for? Mathematics or? ? ?=
> When I started in 1969, displays certainly were not commonplace, but we got
> the jobs done anyhow.
> All our (administrative) jobs started as punched cards (later data-entry on
> IBM 3740), were read via an IBM 2540 card reader / puncher, handled on an
> IBM 360/40, with output on e.g. the venerable 1403 printer. Data was kept on
> magnetic tapes and 2311 harddisks, with each a whopping 7.25 MB capacity.
> So, when you had to look at something, you looked at fanfold paper, with
> holes on both sides.
> Other applications could put holes in cards
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So did you have to learn how to read the punch hole cards also or did the punch hole cards go into the computer and than printed out the data on the fan fold paper also was it in code or just plane English?
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