Q. प्रथम गणना यंत्र है ?

(A) कैलकुलेटर
(B) डिफरेंस इंजन
(C) अबैकस
(D) घड़ी

✅ Correct Answer: (C) अबैकस

Published by Gopal Sharma ⭐ 38.32K Points at 18-Mar-2021 03:32 pm in Computer

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