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Katherine Patterson

on 19 April 2010

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Transcript of Technology!

Part 2- Technology VS. Old analoge TVs used antennas to pick up the signal The switch to digital meant that all analogue TVs needed a converter box to pick up the digital signal this diagram shows the difference between analogue and digital signals We use technology every day to check our facebook, google, watch TV, and to call our friends. Many TVs are now created to be HD compatable HD vs. Regular, do YOU see the difference? Wifi is wireless internet that many computers can pick up when near a wifi "Hotspot"
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