-
Computer
Charles Babbage
It is used to process and organize information. -
Telegraph
Samuel F. B. Morse
It is used to transmit information through electrical signals. -
Telephone
Alexander Graham Bell
It's used to transmit sounds over a distance using electrical signals. -
Radio
Guillermo Marconi
It is used to send audio signals through radio waves. -
Television
John Logie Baird
It is used to inform or entertain through images and sounds. -
Tablet
Alan Kay
Tablets are used to navigate and write using a touch sensitive screen. -
Mobile phone
Martin Cooper
It is used to surf the internet, call or send text messages, and use the social networks.