Question: Consider a hypothetical 64-bit microprocessor having 64-bit instructions composed of two fields: the first byte contains the opcode and the remainder the immediate operand or

Consider a hypothetical 64-bit microprocessor having 64-bit instructions composed of two fields:

the first byte contains the opcode and the remainder the immediate operand or an operand address.

a. What is the maximum directly addressable memory capacity (in bytes)?

b. How many bits are needed for the program counter and the instruction register?

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