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General Knowledge on Inventions | GK Test on Inventions Page 24
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Inventions

General Knowledge on Inventions

(Click on suggested Options to select the answer | Color Red means : Wrong & Green Means: Correct)

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231. Who has invented the word's first programme-controlled computer?
232. Who discovered the first antibiotic?
233. Who discovered bacteria?
234. Who invented the LASER?
235. The super computer 'PARAM' was developed by
236. Zero was invented by
237. Who invented Black Box Flight Recorder?
238. Who among the following is credited with the invention of Algebra ?
239. In which decade was the first solid state integrated circuit demonstrated?
240. Which country invented the world's first Graphene electronic paper ?

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