7. What are tri-state devices and why they are
essential in a bus oriented system?
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Answer Posted / debarun kar
In a multiplexed bus system, many devices are connected to
a common bus. If 2 or more devices attempt to use the bus
at the same time , then data will be lost. Thus only one
one device must be allowed to use the bus at a time. O e
method is to connect the devices through tri-state
devices , which when disabled will effectively discoonect
devices from the bus.
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