Computer System questions

Class Assignment 3 Feb-23 11:59PM

1- Write an assembly language program to add three numbers stored at locations 20, 21, 22 and store the result in location 23. Write the machine code as well. Convert the machine code to HEX.

2- Explain by discussing the actions that the microprocessor does to fetch the first instruction in the above program. Also discuss all the actions that it does until it fetches the next instruction.