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The zero flag of 8085 microprocessor is to be set keeping the content of the accumulator unchanged. Which instruction is to be used? 

(a) MOV A,A (b) ANI 00H (c) XRA A (d) CMP A

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The zero flag of 8085 microprocessor is to be set keeping the content of the accumulator unchanged. Which instruction is to be used? 

(a) MOV A,A (b) ANI 00H (c) XRA A (d) CMP A

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