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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. to rectify this we will connect the devices through tri-state devices , when disabled it will effectively discoonect devices from the bus.
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Tuesday, March 11, 2008
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Declare a static variable( class level variable) in the class and increment it every time u create an instance of the class.
There is also some method to find the number of instance of a class.
The number of instances of a class can be found out by declaring a static variable in the constructor of the class and incrimenting it in the constructor.
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Sunday, March 16, 2008
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