| What is a Microcontroller? A microcontroller is a small computer and it can only perfrom simple task. Microcontroller consists of : • Processor that executes programs. Processor execute program digitally. All instruction given to the processor should be in digital form. • Program Memory to store the program that has been compiled successfully by the programmer. • RAM (random-access memory) to store "variables." • IO Port to connect sensor, keypad, LED, Relay and so on. • Timer to count the time to execute some process. Next Page >> |