PPSC Past Paper Field Assistant Crop Reporter in the Agriculture Department 2018 Solved MCQs, Computer MCQs, MS PowerPoint MCQs, PPSC Solved Past Papers MCQsIn Power Point for black screen the short cut key used? Posted on June 14, 2021 by Rana TahirA. B B. W C. L D. PShare 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)