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Computer
It is considered to be the first electromechanical programmable binary computer. And also the first truly functional modern computer. -
Telegraph
: an apparatus for communication at a distance by coded signals especially : an apparatus, system, or process for communication at a distance by electric transmission over wire. 2 : telegram. -
Telephone
an instrument for reproducing sounds at a distance specifically : one in which sound is converted into electrical impulses for transmission (as by wire or radio waves) -
Radio
radio, 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
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. 2 : a television receiving set. -
tablet
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
A mobile phone is a wireless handheld device that allows users to make and receive calls. While the earliest generation of mobile phones could only make and receive calls, today's mobile phones do a lot more, accommodating web browsers, games, cameras, video players and navigational systems.