Question 3 ( 30 marks) A Hypothebical machine and its partial list instructions are shown below 0 (i) tndiruction format (b) Integar format Progant coenter (PC)= AAdres of inswection toutruction repister (IR) - Inutruction being executed Accimulator (AC) = Tempirary dorage (c) treersal Chul registers 0011 = Load AC from I/O 0111= Store AC to 1/O The 12-bit address identifies a particular 1O device. Show the steps of the program execution (show the contents of memory and relevant registers) to add two numbers (1 \& 2) and store the result in device 2. The first number is in device 1 and the second number is in memory location 940