A control register in an I/O device control
A) is written by the host to send output.
B) is written by the host to choose half-duplex communication.
C) is read by the host to get input.
D) contains status bits that can be read by the host.

Question

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The Answer of A control register in an I/O device control
A) is written by the host to send output.
B) is written by the host to choose half-duplex communication.
C) is read by the host to get input.
D) contains status bits that can be read by the host.

A Control Register in an I/O Device Control