state gov MP Police SI Mock Test 2023 General Knowledge Science Technology and Inventions

'कंप्यूटर' का आविष्कार किसने किया था?

1
आइंस्टीन 
2
चार्ल्स बेबेज 
3
ग्रेन्विल्ले
4
फ़ारेनहाइट 
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