DOS stands for_? Digital Open system Disk operating session Disk Operating System Digital Operating System None Operating system is a collection of __ ? Hardware components Input-output devices Software routines All of these None Characteristics of an operating system is/are ? Resource management Memory management Error recovery All of these None At a time which operating systems does not support more than one program ? MAC Linux Windows DOS None Which of the following is a single-user operating system? DOS MAC Windows None of these None Time's up Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
