1. Who invented Submarine ?

Answer:

John Philip Holland

2. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

3. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

4. Who invented Super Computer ?

Answer:

Seymour Cray

5. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

6. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

7. Who invented google ?

Answer:

Larry Page