Computer Science · History of Computers
मानव जाति द्वारा आविष्कार किया गया सबसे पहला या प्राचीन मैकेनिकल गणना यंत्र कौन सा माना जाता है?
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- 2डिफरेंस इंजन
- 3कैलकुलेटर
- 4मैकेनिकल घड़ी
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