PPSC Personal Staff Officer (BS-17) S&GAD 2020, Computer MCQs, PPSC Solved Past Papers MCQsVacuum Tube pertains to _____ Generation of computer? Posted on April 8, 2021 by Rana TahirA. First B. Second C. Third D. FourthShare this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on LinkedIn (Opens in new window)
