Given a control memory microinstruction size of 30 bits. Change the instruction

Question

Given a control memory microinstruction size of 30 bits. Change the instruction shown in Figure 7-6, assuming that the fields; F1, F2 are 3bits each and F3 is increased to 4 bits, BR and CD remain at 2 bits each, address field is the one that changes. Assuming that each microinstruction occupies one control memory word

4- Given a control memory microinstruction size of 30 bits. Change the instruction shown in Figure 7-6, assuming that the fields; Fl, F2 are 3bits each and F3 is increased to 4 bits, BR and CD remain at 2 bits each, address field is the one that changes. Assuming that each microinstruction occupies one control memory word. What is the size of the control memory in bytes? How many bits are there in the control address register? a. b. c. d. How many bits are there in subroutine register? How many bits are there in the incrementer?

Explanation / Answer

14 control memory bits

45 controll address register

12 subroutine register

8 bits incrementor

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