Which microprocessor accepts the program written for 8086 without any changes?

Which microprocessor accepts the program written for 8086 without any changes? 

 (a) 8085 (b) 8088 (c) 80186 (d) 80188 
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Answer :

Which microprocessor accepts the program written for 8086 without any changes? 

 (a) 8085 (b) 8088 (c) 80186 (d) 80188 

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