To establish a communication between 8085 microprocessor and 8255 Programmable Peripheral Interface chip. the status of the chip select input would be 

(a) TRISTATE (b) HIGH (b) LOW (d) DON’T CARE 
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To establish a communication between 8085 microprocessor and 8255 Programmable Peripheral Interface chip. the status of the chip select input would be 

(a) TRISTATE (b) HIGH (b) LOW (d) DON’T CARE 

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