Which of the following is admissible evidence in an electronic fraud case?

A. The electronic device used was imported
B. The electronic device used was not calibrated
C. The electronic device used was installed
D. The electronic device used was functional
E. The electronic device used was automated

D. The electronic device used was functional

Explanation:
In legal cases involving electronic fraud, it is crucial that the device in question is functional, as this ensures that the data retrieved is reliable and admissible in court.