What is bus arbitration, Computer Engineering

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Q. What is Bus arbitration?

In this technique, I/O interface first needs to control bus and only after that it can request for an interrupt. In this technique because only one of interfaces can control bus so just one request can be made at a time. The interrupt request is acknowledged by CPU on response of that I/O interface places interrupt vector on data lines. An interrupt vector generally contains address of interrupt serving program.


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