alleryਕਿਸ ਅੰਗਰੇਜ਼ ਨੇ ਮਕੈਨੀਕਲ ਡਿਫਰੈਂਸ ਇੰਜਣ ਦੀ ਖੋਜ ਕੀਤੀ ਸੀ?
Aਹਾਵਰਡ ਏਕਨ
Bਜਾਰਜ ਬੂਲ
Cਚਾਰਲਸ ਬੈਬੇਜ
Dਐਲਨ ਟਿਊਰਿੰਗ
Answer & Solution
Correct answer: C. ਚਾਰਲਸ ਬੈਬੇਜ
ਚਾਰਲਸ ਬੈਬੇਜ ਨੇ ਉਨ੍ਹੀਵੀਂ ਸਦੀ ਵਿੱਚ ਡਿਫਰੈਂਸ ਇੰਜਣ ਡਿਜ਼ਾਈਨ ਕੀਤਾ ਸੀ।
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