[GTALUG] CRT memories [was Re: IBM - cache skirmish story.]
alvin at netvel.net
Tue Apr 24 19:42:25 EDT 2018
On 04/24/2018 06:06 PM, D. Hugh Redelmeier via talk wrote:
> | From: James Knott via talk <talk at gtalug.org>
> | The delay line was a coil of wire, with the data carried as acoustic
> | wave on it.
> I suspect that all wire delay lines were magnetorestrictive, not
> acoustic. I don't know that.
At one point there were spring based audio delay devices use for adding
reverb but they quickly got replaced with memory based solutions when
dram started showing up.
The huge growth in ram killed lots of very interesting technologies.
Who remembers core memory with the 20x30 inch boards of very thin wires.
Or bubble memory?
Alvin Starr || land: (905)513-7688
Netvel Inc. || Cell: (416)806-0133
alvin at netvel.net ||
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