Consider Figure 3. Figure 3: Device selection (Device Enable) of an I/O device. All signals a0 to a15 come from the address bus of LC-3 (the output of MAR). Please note that the "wide" AND gate on the right side of the figure has 16 inputs (a0,a1,,a14,a15). a) What is the hexadecimal address range that will activate this I/O device (Device Enable =1) ? Explain your answer. b) How many address locations are available for the device registers (control and data) of this I/O device? Explain your