PPSC Junior Clerk (BS-11) (2020) Anti-Corruption, Computer MCQs, PPSC Solved Past Papers MCQsMain storage is also called ? Posted on March 27, 2021April 30, 2021 by Rana TahirA. Accumulator B. Control unit C. Register unit D. memoryShare 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)