HomeQues : Which of these is not a computer operating system? Ques : Which of these is not a computer operating system? kbcliv September 12, 2019 Ques : Which of these is not a computer operating system? A. UnixB. LinuxC. macOSD. Microsoft OfficeAns : D. Microsoft Office Share this:FacebookXLike this:Like Loading...Discover more from Kaun Banega Crorepati InformationSubscribe to get the latest posts to your email. Type your email… Subscribe