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originally posted by: intrptr
a reply to: chr0naut
Also stuff fails just, well, because.
Just personal observation, I've never seen a digital clock stopped before. If it powers off for some reason it flashes 12:00. But just stuck on a time?
Not that it doesn't happen, of course.
Usually this is a quartz crystal resonant circuit - a feedback loop feeding the amplified electrical oscillation back into the crystal in such a way as to "lock" the oscillation frequency.