Which among the following is not an application of digital to analog converter ?

Which among the following is not an application of digital to analog converter ?

a. Microcomputer Interfacing
b. Microprocessor Interfacing
c. Programmable Power supply
d. CRT graphics

Correct Answer : b. Microprocessor Interfacing

Explanation :

Microprocessor interfacing is an application of ADCs while all the remaining applications like microcomputer interfacing, programmable power supply & CRT graphics are the applications concerned to digital to analog converters in accordance to their functionalities.