1. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

2. Who invented c language

Answer:

Dennis Ritchie

3. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

4. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

5. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

6. Who invented Printing Press ?

Answer:

Johannes Gutenberg

7. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.