1. Answer questions la le then compare with a neighbor. (a) Which register is used to configure pins as input or output? (b) Which register sets output pins either HIGH or LOW? (c) Which register stores voltages of the GPIO pins (whether HIGH or LOW)? (d) Which register is used to enable or disable the internal pull-up resistor for input pins? (e) IIow many bits constitute each of the registers above? 1. Answer questions la le then compare with a neighbor. (a) Which register is used to configure pins as input or output? (b) Which register sets output pins either HIGH or LOW? (c) Which register stores voltages of the GPIO pins (whether HIGH or LOW)? (d) Which register is used to enable or disable the internal pull-up resistor for input pins? (e) IIow many bits constitute each of the registers above