> I think it's hard to make a clear definition here. How is firmware=20
> different from software?

Typically, firmware is loaded from some form of ROM, while software is
loaded from some form of disk.

But there are exceptions.  On some larger machines, all the software
that runs the console/monitor CPU is called firmware, even though most
of it is loaded in from disk.

The first use of floppies was for firmware.  And I'm ignoring things
like core memory, paper tape, punch cards, mag tape, drum, ...

There isn't really any difference.

Firmware can and often does have bugs, so the user needs to be able
to improve and replace it just like software.
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