timeline technology

telegraph, made by Samuel Finley Breese

1830

Is a system for transmitting messages from a distance along a wire, especially one creating signals by making and breaking an electrical connection

telephone, made by Antonio Meucci

1854

Is a system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals

radio, made by Nikola Tesla and Guglielmo Marconi

1901

Is the use of these waves for the wireless transmission of electric impulses into which sound is converted

television, made by John Logie Baird

1925

Is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in color, and in two or three dimensions and sound

Computer

1941

Is an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.

tablet

1968

Is a portable computer that uses a touchscreen as its primary input device. Most tablets are slightly smaller and weigh less than the average laptop.

mobile phone

1973

Is a telephone with access to a cellular radio system so it can be used over a wide area, without a physical connection to a network.