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Transcript
ELECTRONICS An electronics system has 3 parts – input , process , output ELECTRONICS ELECTRONICS Input Devices Mic-sound to electrical ELECTRONICS L.D.R.-Light to electrical Thermistor-heat to electrical ELECTRONICS Thermocouple-heat to electrical Switch Solar Cell-light to electrical ELECTRONICS Output Devices Loudspeaker-electrical to sound L.E.D.-electrical to light Bulb-electrical to light Buzzer electrical to sound ELECTRONICS Relay-electrical to movement L.E.D. has to be protected by adding in a series resistor to take some of the supply voltage ELECTRONICS numbers in a 7 segment display can be produced by using 7 L.E.D.`s ELECTRONICS There are 3 process devices, The NOT gate The AND gate The OR gate
