Computer MCQs, Computer Short keys MCQs, PPSC Past Paper Assistant Director Planning & Development Department-2019 Solved MCQs, PPSC Solved Past Papers MCQsThe shortest key for undo is? Posted on April 20, 2021April 21, 2021 by Rana TahirA. Ctrl + U B. Ctrl + Z C. Ctrl + O D. Ctrl + DShare 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)