Consider a hypothetical $64-$bit microprocessor having $64-$bit instructions composed of two fields: the first two bytes contain the opcode and the remainder the immediate operand or an operand address. $4/06/09-202217$bhunain the opcode ani. What is the maximum directly addressable memory capacity in bytes?ii$.$ Discuss the impact on the system speed if the microprocessor bus has$2024$ a$.$ A $32-$bit local address bus and a $32-$bit local data busiii. How many bits are needed for the program counter and the instruction register?$(08$ Marks$)068-88960$