Simple arithmetic operations: Multi precision addition / subtraction / multiplication / division. Programming with control instructions: Increment / Decrement, Ascending / Descending order, Maximum / Minimum of numbers, Rotate instructions, Hex / ASCII / BCD code conversions, interface Experiments: A/D Interfacing, D/A Interfacing, Traffic light controller, Interface Experiments: Simple experiments using 8251, 8279, 8254, Demonstration of basic instructions with 8051 Micro controller execution, Conditional jumps, looping, Calling subroutines, Stack parameter testing, Parallel port programming with 8051 using port 1 facility, Stepper motor and D / A converter, Study of Basic Digital IC’s