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[SOLVED] How computors work (1954)

 
 
Philip Herlihy
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      Nov 17th, 11, 12:36 PM
http://www.economist.com/node/865666


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Jeff Gaines
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      Nov 17th, 11, 1:17 PM
On 17/11/2011 in message <(E-Mail Removed)>
Philip Herlihy wrote:

>http://www.economist.com/node/865666


That is brill - I wonder if my Mac Pro 'computor' works like that :-)

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GB
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      Nov 17th, 11, 4:06 PM
Jeff Gaines wrote:
> On 17/11/2011 in message <(E-Mail Removed)>
> Philip Herlihy wrote:
>
>> http://www.economist.com/node/865666

>
> That is brill - I wonder if my Mac Pro 'computor' works like that :-)


Well, I'm not sure that the underlying concepts have changed that much.



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Peter Hill
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      Nov 17th, 11, 8:27 PM
On Thu, 17 Nov 2011 11:36:04 -0000, Philip Herlihy
<(E-Mail Removed)> wrote:

>http://www.economist.com/node/865666


You want to look at bit serial computers.
Elliot 803 etc.
http://www.youtube.com/watch?v=9TouLD9EOnQ

PDP8/s (hint "S") had a serial cpu.

You wouldn't believe how a computor worked a century before 1954. Not
Babbage's machines but the sort of Computor Babbage was trying to
replace. He complained that Computors at that time were quite
inaccurate and very slow at producing even the most basic tables.

There's always the ball bearing cpu. I can't find this, I'm sure there
was a video somewhere, it was damn noisy!
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marc
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      Nov 17th, 11, 9:12 PM
Philip Herlihy wrote:

> http://www.economist.com/node/865666
>
>



They DON'T work, they pay much more TAX MONEY than paper workers before...


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Adrian C
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      Nov 18th, 11, 12:22 AM
On 17/11/2011 19:27, Peter Hill wrote:
> On Thu, 17 Nov 2011 11:36:04 -0000, Philip Herlihy
> <(E-Mail Removed)> wrote:
>
>> http://www.economist.com/node/865666

>
> You want to look at bit serial computers.
> Elliot 803 etc.
> http://www.youtube.com/watch?v=9TouLD9EOnQ
>
> PDP8/s (hint "S") had a serial cpu.
>
> You wouldn't believe how a computor worked a century before 1954. Not
> Babbage's machines but the sort of Computor Babbage was trying to
> replace. He complained that Computors at that time were quite
> inaccurate and very slow at producing even the most basic tables.
>
> There's always the ball bearing cpu. I can't find this, I'm sure there
> was a video somewhere, it was damn noisy!


This one?

http://www.youtube.com/watch?v=GcDshWmhF4A

from
http://woodgears.ca/marbleadd/

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GB
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      Nov 18th, 11, 2:33 AM
Adrian C wrote:

>> There's always the ball bearing cpu. I can't find this, I'm sure
>> there was a video somewhere, it was damn noisy!

>
> This one?
>
> http://www.youtube.com/watch?v=GcDshWmhF4A


That is simply beautiful.

>
> from
> http://woodgears.ca/marbleadd/


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Peter Hill
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      Nov 18th, 11, 9:49 AM
On Thu, 17 Nov 2011 23:22:46 +0000, Adrian C <(E-Mail Removed)>
wrote:

>On 17/11/2011 19:27, Peter Hill wrote:
>> On Thu, 17 Nov 2011 11:36:04 -0000, Philip Herlihy
>> <(E-Mail Removed)> wrote:
>>
>>> http://www.economist.com/node/865666

>>
>> You want to look at bit serial computers.
>> Elliot 803 etc.
>> http://www.youtube.com/watch?v=9TouLD9EOnQ
>>
>> PDP8/s (hint "S") had a serial cpu.
>>
>> You wouldn't believe how a computor worked a century before 1954. Not
>> Babbage's machines but the sort of Computor Babbage was trying to
>> replace. He complained that Computors at that time were quite
>> inaccurate and very slow at producing even the most basic tables.
>>
>> There's always the ball bearing cpu. I can't find this, I'm sure there
>> was a video somewhere, it was damn noisy!

>
>This one?
>
>http://www.youtube.com/watch?v=GcDshWmhF4A
>
>from
>http://woodgears.ca/marbleadd/


No it used metal bagatelle balls, had latches and actually added 2
inputs not just balls dropped by hand.

neat sim prog
http://www.mekanimo.net/tutorial/binary-marble-adder/

not this either "marble maze"
http://srimech.blogspot.com/2011/03/...ker-faire.html

or this
http://www.youtube.com/watch?v=cYw2ewoO6c4
http://www.youtube.com/watch?v=i_u3h...eature=related
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