PPSC Past Paper Sub Inspector Cooperative Societies 2018 Solved MCQs, Computer MCQs, PPSC Solved Past Papers MCQsWhich one of the following is not an operating system?A. Linus B. AVG C. Windows XP D. Mac OS John Gurnng de Mabior is well known for founding?Complete the number series: 14, 28, 20, 40, 32, 64, _____?
