The main electronic component used in first-generation counterparts was June 15, 2021 / By Preparation Point / FIA LDC Past Paper 2019 Mcqs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn Integrated Circuits Vacuum Tubes and Valves Transistors None of the above The computers of first-generation used vacuum tubes as the basic components for memory and circuitry for CPU. Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn