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ऑपरेटिंग सिस्टम
Operating System
Question 3 of 36
Question 3
What is the full form of DOS?
A. (a) Device Operating System
B. (b) Digital Operating System
C. (c) Disk Operating System
D. (d) Data Operating System
Explanation DOS का पूर्ण रूप Disk Operating System है।
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