In this experiment in module 2 I learned how to using MUL and DIV in Assembly language. I learned the syntax of MUL(Multiplication ) ,DIV(Division) and ADD(addition).Then I run some program in emulator8086 software. I learned about all 16 bit register, Which registers are stores data in output, about CBW, how to run a program using MUL, ADD ,DIV with registers. How to multiplicand in AL IN AX .This MUL source may be a byte register .DIV source kept in 8 bit register or memory.