(Answered): a value of 2. The program execution of Figure 3.5 is described in the text using six steps. Expand ...

a value of 2. The program execution of Figure 3.5 is described in the text using six steps. Expand this description to show the use of the MAR and MBR. Consider a hypothetical 32-bit microprocessor having 32-bit instructions composed of Figure 3.5 Example of Program Execution (contents of memory and Memory 300 1 9 4 0 301 5 9 4 1 3022 9 4 1 CPU registers Memory 3 00PC 300 1 9 4 0 AC 301 5 9 4 1 1 9 4 0 IR 3022 9 4 1 CPU registers 3 0 1PC 0 0 0 3 AC 1 9 4 0 IR . . 940 0 0 0 3 941 0 0 0 2 9400 0 0 3 941 0 0 0 2 Step 1 Step 2 Memory 3001 9 4 0 301 5 9 4 1 3022 9 4 1 CPU registers Memory 3 0 1PC 300 1 9 4 0 0 0 0 3 AC 301 5 9 4 1 5 9 4 1 IR 3022 9 4 1 CPU registers 3 0 2 PC 0 0 0 5 AC 5 9 4 1 IR . 940 0 0 0 3 941 0 0 0 2 9400 0 0 3 941 0 0 0 2 3 + 2 = 5 Step 3 Step 4 Memory 300 1 9 4 0 301 5 9 4 1 3022 9 4 1 CPU registers 3 0 2PC 0 0 0 5 AC 2 9 4 1 IR Memory 300 1 9 4 0 301 5 9 4 1 3022 9 4 1 CPU registers 3 0 3 PC 0 0 0 5 AC 2 9 4 1 IR . 940 0 0 0 3 941 0 0 0 2 940 0 0 0 3 941 0 0 0 5 Step 5 Step 6 registers in hexadecimal)