-
COMPUTER Charles Babbage
It is a machine that performs processes, calculations and operations based on instructions provided by a software or hardware program. -
TELEGRAPH Samuel Morse
It is a machine that transmites codificate information through electric signals. -
TELEPHONE Alexander Graham Bell
It is a telecommunication device that allows two or more people to communicate when they are too far apart to be heard directly. -
RADIO Nikola Tesla
It is a sound communication by radio waves, usually through the transmission of music, news, and other programs. -
TELEVISION John Logie Baird
It is an electronic system of transmitting transient images of fixed or moving objects -
TABLET Alan Kay
It is a wireless, portable personal computer with a touchscreen interface. -
MOBILE PHONE Martin Cooper
It is a wireless handheld device that allows users to make and receive calls.