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Computer-Charles Babbage
Is a machine or device that performs processes, calculations and operations based on instructions provided by a software or hardware program. They are designed to execute applications and provide a variety of solutions by combining integrated hardware and software components. -
Telegraph-Samuel Morse
A telegraph works by transmitting electrical signals over wires. Has both a transmitter and a receiver. The transmitter is the telegraph or transmission key. -
Telephone-Antonio Meucci
Is the electrical system of communication that you use to talk directly to someone else in a different place. -
Radio-Guillermo Marconi
Sound communication by radio waves, usually through the transmission of music, news, and other types of programs from single broadcast stations to multitudes of individual listeners equipped with radio receivers. -
Television-John Logie Baird
An electronic system of transmitting transient images of fixed or moving objects together with sound over a wire or through space by apparatus that converts light and sound into electrical waves and reconverts them into visible light rays and audible sound. -
Tablet-Alan Kay
A tablet is a wireless, portable personal computer with a touchscreen interface. The tablet form factor is typically smaller than a notebook computer, but larger than a smartphone. -
Mobile Phone-Martin Cooper
The first mobile was developed by the motorola company, yhanks to the engineer Martin Cooper. The mobile phone means of wireless comunication through electromagnetic wavesñ
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