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9. The x86 and ARM have a carry flag and an auxiliary Carry flag. What is the auxiliary carry flag? 10. Most assembly language instruction sets have a "no-operation" instruction which has a mnemonic of NOP or NOOP. The only effect of this instruction is to increment the program counter. What are some practical uses for such an instruction? 11. If we do an Arithmetic right shift, in which direction are numbers rounded? Toward or away from zero or toward or away from 00