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Harry Porter's homebuilt computer.
http://zoo.nightstar.net/viewtopic.php?f=90&t=16605
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Author:  bizzybody [ Tue Oct 30, 2007 3:13 am ]
Post subject:  Harry Porter's homebuilt computer.

A man named Harry Porter built his own computer from scratch, using mechanical relays. http://web.cecs.pdx.edu/~harry/Relay/index.html

He did use an SRAM chip for the 32K of memory. Building that much RAM from relays would've filled much of his house.

"I am endeavoring, ma'am, to construct a mnemonic circuit using stone knives and bearskins."

Author:  richv [ Fri Dec 18, 2015 3:42 am ]
Post subject:  Re: Harry Porter's homebuilt computer.

In the mid-70's, I used eight "digital simulators" to build a basic computer that was able to take two 8-bit numbers and multiply them to produce a 16-bit result.

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