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Qus: What does DOS stand for
QusDOS का क्या अर्थ है
A. डिस्क ऑपरेटिंग सिस्टम
B. डिजिटल ऑपरेटिंग सिस्टम
C. डायरेक्ट ऑपरेटिंग सिस्टम
D. डेटा ऑपरेटिंग सिस्टम
Solution
A. Disk Operating System