Question

Output of DVM needs ________

(a) 4 lines

(b) 2 lines

(c) 8 lines

(d) 16 lines

I have been asked this question by my college professor while I was bunking the class.

Question is from Performance Parameters of Digital Voltmeters topic in division Electronic Instruments of Electrical Measurements

Answer 1

Right choice is (a) 4 lines

The best explanation: Type of DVM used depends on the digital output lines. Four lines of BCD or a single line serial output may be provided so as to read the output from a DVM.