when was the first microprocessor developed?when was the first touchscreen phone released?what is a
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sensor?
LDR
Thermistor
moisture sensor
piezoelectric sensor
single throw
double throw
resistor
push to make
micro switch
reed switch
variable resistor
LEDs
loudspeaker
electromagnet
amplifier
microprocessor
microcontroller or programmable interface controller (PIC)
program
flash memory
transistor
motor
buzzer
where is crude oil found
what is silicone used for and where is it found (crus)
what is gold used for and where is it found(cap)
what is copper used for and where is
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