Who invented the mouse of a computer?
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Who invented the mobile phone?
Who invented the bifocal glasses?
Which of the following branches of mathematics was invented by Newton?
To conduct detailed study into disease causing organism in livestock,Biosafety Laboratory has been setup in India at
Physical Research Laboratory was founded by ____.
X-Rays, which are now used on a day to day basis for diagnosis in medicine, was discovered by?
In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word. Anile