PortA register Bidirections Bus buffer Port register CPU I/O Device Internal bus Control register Chipset Registeret Register mest o read wie Control cs R81 RSO RD WR Timing and Control Status Status register Consider the above figure that shows an 1/0 Interface Unit, and answer the following question. a If the interface is connected to a printer. What would be the data direction? a receives control information from From CPU to 1/O device From I/O device to CPU PortA register Bidirectional Bus buffers Port CPU I/O Device Chipselect Registract Registematest yo read Control register Control . RS1 RSO RD WR Internal Timing and Control Status Status Consider the above figure that shows an 1/0 Interface Unit, and answer the following question a. If the interface is connected to a printer. What would be the data direction? b. The control register receives control information from CPU 1/O device