PPSC Past Paper Deputy Accountant Finance Department-2019 Evening, Computer MCQs, Computer Short keys MCQs, PPSC Solved Past Papers MCQsThe keys used to lock the keyboard______? Posted on April 20, 2021 by Rana TahirA. CTRL + Tab B. CTRL + Alt C. Window Logo + L D. Window Logo + KShare 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)