Before the telephone most people wrote letters or sent telegrams
what was the first communication devise what was the first communication devise
dr dunkham
first computer was invented by Chals Babeje. It invented in 1938
The speech generating device was invented by Dr. Robert Weisenberger in the early 1980s. He designed the device to help individuals with communication impairments, such as those with ALS or cerebral palsy, to communicate effectively.
Alexander Graham Bell invented the telephone in 1876 while John Logie Baird developed the mechanical television in 1924. Johannes Gutenberg invented the printing press in 1450 and Tim Berners-Lee was responsible for the creation of the World Wide Web.
Abacus was the first calculating device invented by the Chinese.
The forty theives.
The first electronic medical device to be made is the relay. It was invented in 1835 by John Henry, who was an American scientist.
sometimes, depends on what you are using it for
Communication device
Dean Karmen didn't invent the first water purification device; he invented a simple water filtration device for use in rural areas of developing countries.
the latest device for communication is i.phone4s