1. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

2. Who invented Television ?

Answer:

John Logie Baird

3. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

4. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

5. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.

6. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

7. Who invented Computer ?

Answer:

Charles Babbage