Question

 What did Alexander Graham Bell invent?

Answer 1

Alexander Graham Bell is credited with inventing the telephone. He patented the device in 1876 and it quickly became a revolutionary tool for communication. Bell's invention of the telephone was the first step in the development of modern telecommunications.

Answer 2

Alexander Graham Bell, a Scottish-born American scientist and inventor, is best known for inventing the telephone. In 1876, Bell patented his invention of a "talking telegraph," which he called the telephone. The telephone revolutionized communication and allowed people to communicate with each other over long distances easily. Bell went on to invent other technology such as the photophone, which transmitted sound on a beam of light.