PPSC Past Paper Labour Officer Labour and Human Resource Department 2018 Solved MCQs, Computer MCQs, PPSC Solved Past Papers MCQsOptical device was used in which of the following computers for the first time. Our personal computer belongs to? Posted on June 9, 2021 by Rana TahirA. 1st generation computers B. 3rd generation computers C. Microcomputer generation D. None of theseShare 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)