Author Question: An actuator is usually a device that: A) converts a physical variable to an electrical variable. ... (Read 27 times)

cool · **on:** Jul 27, 2018

An actuator is usually a device that:

A) converts a physical variable to an electrical variable.
B) converts analog data to meaningful digital data.
C) stores digital data and then processes that data according to a set of specified instructions.
D) controls a physical variable.

Question 2

Refer to the preceding problem. The DAC that is selected would be required to have:

A) fewer input binary bits than the rejected DAC.
B) the same number of input binary bits as the rejected DAC.
C) greater resolution per step than the rejected DAC. Resolution and the number of input binary bits have no bearing on each other in this instance.
D) a greater number of input binary bits than the rejected DAC.