Computer Science homework help

hi every one, please i am confused on how to answer this question on register file can any body be of help?question: IN MANY ARCHITECTURE, REGISTER ZERO CONTAINS A VALUE OF ZERO WHICH IS IMMUTABLE. SUGGEST HOW TO IMPLEMENT THIS IN A REGISTER FILE.Thanks in anticipation.

 
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"Our Prices Start at $11.99. As Our First Client, Use Coupon Code GET15 to claim 15% Discount This Month!!":

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