Lies in education [was Re: The "loop and a half"]
Gregory Ewing
greg.ewing at canterbury.ac.nz
Fri Oct 13 20:11:47 EDT 2017
alister wrote:
> in the past for large quantitys the data in a ROM chip was part of the
> chip etching mask
I know, I'm considering the masking process to be a kind of
write operation.
> The Apollo lunar lander used a magnetic core store that was hard coded at
> the time it was "Woven"
>
> I doubt that either process is in widespread usage any longer as most
> manufacturers no incorporate a way to update the firmware of a device
Magnetic core technology died out long before that, due to
inability to build machines that simulated armies of ladies
with sewing needles!
--
Greg
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