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Question
The output data lines of microprocessor and memories are usually tristated because
Options:
A .  more than one device can transmit information over the data bus by enabling only one device at a time
B .  more than one device can transmit information over the data bus at the same time
C .  the data lines can be multiplexed for both I/P and O/P
D .  it increases the speed of data transfers over the data bus
Answer: Option A
Answer: (a).more than one device can transmit information over the data bus by enabling only one device at a time

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