Question 1

Who is credited with the invention of the world's first practical telephone in 1876?

Accepted Answer

Alexander Graham Bell. Alexander Graham Bell was awarded the first U.S. patent for the telephone. This device revolutionized global communication by transmitting sound over wires. The first intelligible speech was 'Mr. Watson, come here, I want to see you'.

Question 2

Which inventor developed the first commercially viable incandescent light bulb?

Accepted Answer

Thomas Edison. Thomas Edison created a long-lasting light bulb using a carbonized bamboo filament. He also established the first power utility system to bring light into homes. Edison holds more than 1,000 patents for various inventions.

Question 3

The invention of the World Wide Web (WWW) is attributed to which computer scientist?

Accepted Answer

Tim Berners-Lee. Tim Berners-Lee invented the World Wide Web in 1989 while working at CERN. He created the first web browser and the first web server. This invention allowed information to be shared globally through hyperlinks.

Question 4

Who invented the first mechanical computer, often called the 'Difference Engine'?

Accepted Answer

Charles Babbage. Charles Babbage is considered the 'father of computers' for his design of mechanical calculating machines. His Analytical Engine featured concepts like an arithmetic logic unit and integrated memory. Though never fully built in his lifetime, his designs laid the foundation for modern computing.

Question 5

The fountain pen, which used a reservoir of ink, was first successfully patented by?

Accepted Answer

Lewis Waterman. Lewis Waterman patented the first reliable fountain pen in 1884. He improved the design by adding a capillary feed to prevent ink blotting. Before this, writers had to dip pens into inkwells frequently.

Everyday Inventions — Set 1