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Computer Science A50 (8/20)

Answer to Question 7: A

Using the programmed I/O control method, a byte arrives at the port and a bit is set, awaits the CPU to reset it, retrieve the byte, and process it according to the instruction correlating to that port.

Select an Option and Proceed

Select the system that does well with the programmed I/O control method.

A - Interleaving disk.
B - Large block sizes.
C - Bus operating with a +_ 5 volt.
D - Embedded System.

Understanding Question 8

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