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Answer:

0 NOR 0 = 1 NOT 0 = 1
1 NOR 0 = 0 NOT 1 = 0

NOT X  =  X NOR 0


NOT as NOR with $0

NOT Operation on Bits
first operand 0 1
 
result 1 0

If you want a NOT operation use a NOR instruction with $0 as one of the operands:

nor  d,s,$0  # $d gets bitwise NOT of $s.

QUESTION 12:

Say that register $8 contains a bit pattern. OR is performed between it and register $0. Register $9 is to be the destination. What is the effect?

or  $9,$8,$0

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