Multiprocessor communication - Differentiation of address byte from data byte

Q.  How does it become possible for 9th bit to differentiate the address byte from the data byte during the data transmission process in multiprocessor communication?
- Published on 09 Nov 15

a. By recognizing 9th bit as '1' for address byte & '0' for data byte
b. By recognizing 9th bit as '0' for address byte & '1' for data byte
c. By recognizing 9th bit as '1' for address as well as data bytes
d. By recognizing 9th bit as '0' for address as well as data bytes

ANSWER: By recognizing 9th bit as '1' for address byte & '0' for data byte

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