Home LAB VIVA Questions And Answers What is diode? What is diode? Author - personEngineering Lecture Notes Pdf January 26, 2016 share 5. What is diode? In electronics, a diode is a two-terminal device. Diodes have two active electrodes between which the signal of interest may flow, and most are used for their unidirectional current property. Tags EDC Viva questions and answers pdfLAB VIVA Questions And Answers Facebook Twitter Whatsapp Newer Older