why is any computer_system bus regarded as either bidirectional or uni directional? also give one example of each.
Question
Why is any computer system bus regarded as either bidirectional or unidirectional?
Also give one example of each.
Solution
Any computer system bus is regarded as either bidirectional or unidirectional due to the way data is transmitted between components. Let's break it down step by step:
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A computer system bus is a communication pathway that allows different components of a computer system to exchange data and signals.
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A bidirectional bus is capable of transmitting data in both directions, meaning it can send and receive data simultaneously. This allows for efficient communication between components. An example of a bidirectional bus is the Peripheral Component Interconnect (PCI) bus, commonly used in desktop computers.
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On the other hand, a unidirectional bus can only transmit data in one direction at a time. It can either send data from the source to the destination or receive data from the destination to the source, but not both simultaneously. An example of a unidirectional bus is the Address Bus, which is responsible for transmitting memory addresses from the processor to the memory modules.
In summary, the bidirectional or unidirectional nature of a computer system bus depends on its ability to transmit data in both directions or only in one direction at a time.
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