The plus (+) indicates a more advanced problem and the asterisk (*) indicates that a solut...

The plus (+) indicates a more advanced problem and the asterisk (*) indicates that a solution is available on the Companion Website for the text.

*How many I/O interface units of the type shown in Figure can be addressed by using a 16-bit address, assuming

Figure Example of I/O Interface Unit

(a) each of the chip select (CS) lines is attached to a different address line?

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(b) address bits are fully decoded to form the chip select inputs?