Basic Electronics

The goal of this lecture is to provide some basic information about electronic. An electronics system has three parts – input, process and output. Input Devices examples: Mic-sound to electrical, L.D.R.-Light to electrical; Thermistor- heat to electrical etc. Output Devices examples: Loudspeaker-electrical to sound; L.E.D.-electrical to light; Bulb-electrical to light; Buzzer electrical to sound etc. This lecture also explain three process devices: the NOT gate; the AND gate and the OR gate.