Write the factors considered in designing an i/o subsystem, Computer Engineering

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Write the factors considered in designing an I/O subsystem?

1.  Data Location: Device selection, address of data within device ( track, sector etc)

2.  Data transfer: Amount, rate to or from device.

3.  Synchronization: Output only when device is ready, input only when data is available.

4.  I/O operation: refers to a data transfer among an I/O device and Memory or among an I/O device and CPU.

 


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