1. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.

2. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

3. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

4. Who invented c language

Answer:

Dennis Ritchie

5. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

6. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

7. Who invented Super Computer ?

Answer:

Seymour Cray