The specially designed semi-conductor diodes used as fast counters in electronic circuits are_______________?A. The light emitting diodesB. Photo diodesC. Photo voltaic cellD. Solar cells. 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments