Multiple choice general knowledge

What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?

  1. Telephone

  2. Early Warning

  3. Electricity

  4. Television

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Television is correct - all three were pioneers in early television technology. Paul Nipkow invented the Nipkow disk (1884), a mechanical scanning system that became the foundation for television. John Logie Baird demonstrated the first working mechanical television system (1926). Charles Jenkins invented early television transmission systems and demonstrated mechanical TV in the US (1920s).