my screen to everyone else's screen

  • Thread starter Thread starter galdcourse2
  • Start date Start date
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galdcourse2

I once worked in a red teaching basic computing. The room I worked in
had a facility whereby I could swiitch a device on and all the other
student's computers were disabled and they were forced to watch what
was on my screen. when i switched off the device their computers came
back to life so to speak. i haven't heard of this device since and have
tried in vain to find it on the net. does anyone know which device i'm
referring to and what it is called.
çthanks
 
Never heard of it, but here's a painful work-around:

Daisy chain a bunch of surge protectors together, and ONLY plug the
students' monitors into them. Then, when you want their attention, just
turn off the first surge protector in the chain.
 
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