1. What happens to both resolution and full-scale output when the reference voltage on a DAC is increased by 20%?
a. resolution gets better by 20%, output goes down by 20%
b. resolution gets worse by 20%, output goes up by 20%
c. both go up by 20%
d. both go down by 20%
2. A temperature sensor measures from -44 degrees F to 212 degrees F. If the data is input to an 8-bit ADC, what is the resolution?
a. 0.83 degrees
b. 1.0 degrees
c. 1.5 degrees
d. 2.6 degrees
3. Approximately what duty cycle is required to make a 1500 rpm, 12-V motor run at 1000 rpm?
a. 10%
b. 33%
c. 67%
d. 75%
4. Which of the following is NOT an advantage of assembly programing compared to C programming for the HCS12?
a. faster execution
b. better resolution on timing loops
c. simpler cose for 16-bit arithmetic
d. more efficient code