Question 3 (30 marks) A Hypothecical machine and its partal list instructions are shown below. o 1 (a) Instruction forrmat Magoitude (b) Ineger format Pheram counter (TC) - Adses of indruction tastruction mintiser (IR) = Inutruttion being execuled Acckmulsear (AC)= Temparary songe (e) Intemal CPU registern 0011= Load AC from 1/0 0111 = Store AC to VO The 12-bit address identifies a particular IO device. Show the steps of the program execution (show the contents of memory and relevant registers) to add two numbers ( 1 . 2. 2) and store the result in device 2. The first number is in device 1 and the second number is in memory location 940