| 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 >> |