Question

The output data lines of microprocessor and memories are usually tristated because

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: (a).more than one device can transmit information over the data bus by enabling only one device at a time

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Q. The output data lines of microprocessor and memories are usually tristated because

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