1. In timer interval mode, what always happens at the end of a WDT timer interval? a. The system resets b. An interrupt occurs c. The red LED turns on d. The green LED turns off e. The system powers dowrn 2. In watchdog mode, what always happens at the end of a WDT timer interval? a. The system resets b. An interrupt occurs c. The red LED turns on d. The green LED turns off e. The system powers dowrn 3. For a fixed source clock frequency, how many different timer intervals are available for the MSP432's watchdog timer? a. b. 3 C. d. 8 e. 4. Approximately how many clock cycles are in each iteration of an empty FOR loop for the MSP4321 a. b. 6 C. 10 d. 12 e. 20000 5. If an LED is toggled every 5 times that a WDT interrupt occurs, and the interval select bits (IS) hold their default (system reset) values, what is the blinking frequency (in Hz) of the LED, given a 32.768 kHz WDT source clock? a. 0.2 b. 0.1 C. d. 10 e. 6,553.6