1. Who invented c language

Answer:

Dennis Ritchie

2. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

3. Who invented Super Computer ?

Answer:

Seymour Cray

4. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

5. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

6. Who invented Vitamin D ?

Answer:

Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922

7. Who invented Floppy disk ?

Answer: IBM in 1970