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Question

An I/O port typically consists of four registers status, control, ________ and ________ registers.

a.

system in, system out

b.

data in, data out

c.

flow in, flow out

d.

input, output

Answer: (b).data in, data out

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Q. An I/O port typically consists of four registers status, control, ________ and ________ registers.

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