Q. निम्नलिखित में से कौन ऑपरेटिंग सिस्टम नहीं है?

(A) Android
(B) Vista
(C) iOS
(D) Opera

✅ Correct Answer: (D) Opera

Published by Ruchi Sharma ⭐ 9.87K Points at 27-Jun-2021 03:48 am in Computer

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