Warp wrote:
>   When your PC starts misbehaving clearly due to some hardware failure,
> the very first thing you do is check the PSU.

That's because computers are really analog devices. If the PSU isn't 
delivering enough voltage or current to keep the thing in spec, it goes back 
to being an analog device (i.e., the circuits aren't driven to saturation), 
and everything that assumes it's behaving digitally stops working reliably.

That's what I mean when I say at the lowest levels, everything on the wires 
and in the computer is analog. :-)

-- 
Darren New, San Diego CA, USA (PST)
    Ada - the programming language trying to avoid
    you literally shooting yourself in the foot.

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