Computer control all around us

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Computer Control Around Us
Identify the control aspect of
each object.
plug socket
batteries
what you do
input
buttons
switches
levers
what happens

output
things move
things light up
things play
microwave
press button  food warms up
light
press switch  light turns on
hand drier
press button  air blows out
car park barrier
press button  barrier goes up
pelican crossings
press button  green man flashes
cash machine
press buttons  gives out money
washing machines
press buttons  spins and washes
photocopier
press ‘copy’  copies sheet
DVD player
press ‘play’  plays a DVD
Bee-Bot
press buttons  Bee-Bot moves
Can you think of any other
examples?
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