Question: Most of the registers in the machine have two-way copy capability; that is, you can copy to them from another register, and you can copy

Most of the registers in the machine have two-way copy capability; that is, you can copy to them from another register, and you can copy from them to another register. The MAR, on the other hand, is always used as a destination register; you only copy to the MAR. Explain clearly why this is so.

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