On Wednesday, March 11, 2020 at 8:06:53 PM UTC-4, John Levine wrote:
> In article <
75372ae2-6d65-4291...@googlegroups.com>,
> <
robin....@gmail.com> wrote:
> >> >He is famous for the line "I think that there is a world market for
> >> >five computers." [need to check source]
> >>
> >> Yes you do. The actual statement, at the April 28, 1953 stockholders
> >> meeting, was, referring specifically to the 701: "I.B.M. had
> >> developed a paper plan for such a machine and took this paper plan
> >> across the country to some 20 concerns that we thought could use such
> >> a machine. … As a result of our trip, on which we expected to get
> >> orders for five machines, we came home with orders for 18."
> >
> >Wiki gives the year as 1943, a decade before your date.
>
> I think there's a bunch of quotes conflated.
>
> The one I heard was that five electronic computers could do all the
> calculating that was being done at the time in the US. That may well
> have been true, but as it turned out, as calculating got cheaper,
> people did a lot more of it.
We should note there were two kinds of calculations subject
to automation. The big one of interest was for science
and engineering since that was hairy and slow. As we all
know, the demand for firing tables inspired the ENIAC.
The development of the Cold War and the desire for nuclear
weapons, jet planes, and guided missiles, also generated
a heavy demand for calculations. I believe most of IBM 701s
were delivered for defense purposes.
Anyway, had there been no cold war, I dare say the history
of computers would've been very different. Defense
contractors and the military had deep pockets which paid
for those heavy-duty machines. Had there been no cold
war, I think computer development would've gone much
slower.
The second need for computation was for business purposes.
That kind of work was much less heavy duty. For instance,
a sci/eng machine might have parallel bit handling and
machine division and floating point to save time, while
business might not have floating point at all and software
division. The IBM history explains the architectural
differences of IBM's 701 and 702 early computers.
https://en.wikipedia.org/wiki/IBM_701
https://en.wikipedia.org/wiki/IBM_702