1. Who invented Super Computer ?

Answer:

Seymour Cray

2. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

3. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

4. Who invented paper ?

Answer:

Cai Lun

5. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

6. Who invented HIV ?

Answer:

7. Who invented Piano ?

Answer:

Bartolomeo Cristofori