No data Bidirectional ang bus PortA register Bus buffers Porte CPU Chip select Register last Registar salect VOTOM CS R$1 Internal bus VO Device Control register Control RSO Timing and Control RO WR Status eter Consider the above figure that shows an I/O interface Unit and answer the following question a. If the interface is connected to a keyboard What would be the data direction . The control register receives control information from page