telecomunicationinventions

computer, Charles Babbage

1822

A computer is a system made up of programs and electronic elements, which together allow processing and ordering information. The programs are known as Software and the electronic elements as Hardware.

telegraph,Joseph Henry

1829

The telegraph is an apparatus or device that uses electrical signals for the transmission of encrypted text messages through wire lines or radio communications.

telephone, Antonio Meucci

1854

The telephone is a telecommunication device created to transmit acoustic signals at a distance by means of electrical signals.

radio, Guillermo Marconi

1897

Radio is the signaling and communication technology using radio waves. Radio waves are electromagnetic waves with a frequency between 30 hertz and 300 gigahertz.

television, John Logie Baird

1923

Television is a system for the transmission and reception of images and sounds at a distance that simulate movements, which uses a diffusion mechanism.

tablet, Alan Kay

1968

is a portable electronic device larger than a smartphone

mobile phone, Martin Cooper

1973

A mobile phone is a portable device that can make or receive calls through a radio frequency carrier while the user is moving within a telephone service area.