1. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

2. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

3. Who invented Java Language ?

Answer:

James Gosling

4. Who invented Floppy disk ?

Answer: IBM in 1970

5. Who invented colour television ?

Answer:

Peter Carl Goldmark

6. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

7. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams