PPSC Past Paper Assistant in Lahore High Court 2019 Solved MCQs, General Knowledge MCQs, PPSC Solved Past Papers MCQsSilicon Valley is famous for? Posted on May 6, 2021 by Rana TahirA. Computer Business B. Steel Industry C. Gold mines D. Cotton IndustryShare 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)