PPSC Past Paper Junior Clerk 2019 Revenue Department Solved MCQs, Computer MCQs, PPSC Solved Past Papers MCQsA collection of system programs that controls and co-ordinate the overall operations of a computer system is called _____?A. System Software B. Operating System C. Utility Program D. Device driver What companion of prophet(PBUH) was awarded with the title of “The Lion of Allah”?What was the real name of Titu Mir?
