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We describe a protocol of input device communication below:i. Each device has a distinct address.ii. The BUS controller scans each device in a sequence of increasing address value to determine if the entity wishes to communicateiii. The device ready to communicate leaves its data in the I/O registeriv. The data is picked up and the controller moves to the step a Identify the form of communication best describes the I/O mode amongst the following."

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We describe a protocol of input device communication below:<br>i. Each device has a distinct address.<br>ii. The BUS controller scans each device in a sequence of increasing address value to determine if the entity wishes to communicate<br>iii. The device ready to communicate leaves its data in the I/O register<br>iv. The data is picked up and the controller moves to the step a Identify the form of communication best describes the I/O mode amongst the following."






 
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