Microprocessors and microcontroller systems: microprocessors, microcontrollers, memory, input/output, busses (Data, address, control). Microcontroller architecture: internal structure, ALU, registers, flags, interrupts, ports I/O,timers and counters, analog to digital converters. Programming: instruction set, assembly language, programming techniques. Subroutines, addressing modes, Examples of microcontrollers in engineering applications.