. Write a program in assembly language to mask off the least significant 4 bits of a given hexadecimal number. The answer should be stored in memory location 2200 H. Let the given number is F3 H.

Write a program in assembly language to multiply two decimal numbers 23 and 9 and store the answer in some memory location. Also write this program in machine language.

Write a program in assembly language to load a number 89 H in B-register and mask off all bits except A2 bit. The result is to be transferred to C-register. Write a program in assembly language to load a number ...