Timeline: Digital Communications

Jun 20, 1836

Telegraph

Made in the 1830s and 1840s by Samuel Morse, the telegraph made long distance talking more common.

May 17, 1876

Telephone

Alexander Graham Bell's original telephone worked by converting sound into an electrical signal by a 'liquid transmitter'. This process centered around directing sound through a receiver and onto a thin membrane stretched over a drum.

Aug 12, 1877

Phonograph

A phonograph is a device for making sounds by vibration from the record. A record stores a copy of sound waves as a series of a sinuous groove inscribed on its rotating surface by the stylus.

Aug 15, 1879

Radio

Radio is sound communication by sound waves, usually through the transmission of music, news, and other types of programs from broadcast stations to individual listeners that have radios.

Jul 29, 1927

Television

an electronic system of putting images of fixed or moving objects together with sound over a wire or through space apparatus converts light and sound into electrical waves and reconverts them into visible light rays and audible sound.

Feb 9, 1945

Computer

Very similar to TV, a 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

Nov 27, 1973

Cell Phone

a phone with access to radio system so it can be used over a wide area, without a physical connection to a network; a mobile phone.

Apr 11, 1976

Apple 1

This was the first Apple product, Also the first desktop computer. It uses light photos and videos to show the viewer what they need.

Jan 24, 1984

Macintosh

The Macintosh was the first widely-sold personal computer with a graphical user interface and a mouse. Apple Computer introduced the Macintosh in an ad during Super Bowl XVIII, on January 22, 1984, and offered it for sale two days later.

Nov 10, 1992

First Nokia Phone

A phone used to access the internet and talk to friends.

Jan 19, 1999

First Blackberry Product

the more commonly known convergent smartphone BlackBerry was released, which supports push email, mobile telephone, text messaging.Web browsing and other wireless information services.