Which of the following is not an operating system?

MAC OSX
DOS
Windows 7
none of the above
OS X is Apple's op­er­at­ing system that runs on Mac­in­tosh com­put­er­s. DOS is a family of disk op­er­at­ing systems. Windows 7 is a personal computer op­er­at­ing system de­vel­oped by Mi­cro­soft.

Answers distribution

MAC OSX
DOS
Windows 7
none of the above
answers
flagthe Netherlands
0%
0%
0%
100%
3
flagthe United States
0%
0%
0%
100%
2
flagJamaica
0%
0%
0%
100%
1
flagNepal
0%
0%
0%
100%
1
flagPoland
17%
28%
2%
50%
69
flagUnknown
50%
0%
0%
50%
2
flagthe United Kingdom
0%
66%
0%
33%
3
flagArmenia
100%
0%
0%
0%
1

Gender

men50%
women70%
MAC OSX
20%
20%
DOS
25%
10%
Windows 7
5%
0%
none of the above
50%
70%

Language versions

question
answers
results
flag
Which of the following is not an operating system?
3
66%

Details

Author: Tschuka
Illustration: Intel Free Press
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