• Difficulty - Easy
    Total Plays - 7
    Allowed Time - 10 sec
    Best Time - 2.249 sec

    Which of these is NOT an operating system?

    #A
    #B
    #C
    #D
    Explanation:
    Microsoft Office is an application suite, not an OS.
    Leaderboard
    Leaderboard
    User
    Rank
    Time Taken
    Malesela

    Malesela

    @malesel

    1
    2.249 sec
    Richard A

    Richard A

    @richard

    2
    3.167 sec