1. Who invented colour television ?

Answer:

Peter Carl Goldmark

2. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

3. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

4. Who invented Floppy disk ?

Answer: IBM in 1970

5. Who invented Radiocarbon ?

Answer:

Willard Libby

6. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.

7. Who invented Ball-Point Pen ?

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