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Strictly speaking, the computer wasn't designed as a telecommunications device, but it has revolutionised communications to the point where it has becomea personal communications centre.

Digital Code
Digital communication is based on numeric codes. At the lowest level we are talking about simple 1s and 0s - 'ons' and 'offs'. This is called a 'binary system' because it uses only two values (the 'decimal system' you use in your daily life uses 10 values from 0 to 9)....
The Internet
The Internet is the communications network that lies behind your computer and connects you to the outside world.

In the beginning, it was a few computers connected together in one building and swapping text messages....
fun and games

Can you beat our games? Explode equipment to see what's inside, hear the changing sounds of telecommunications, see how telecommunications designs have changed over time or send an e-postacard.

what's on

The UK's first permanent gallery dedicated to the history of information and communication technologies opens in the new Information Age gallery at London’s Science Museum.

audio history

Take a trip down memory lane with extracts of the interviews which have been recorded as part of the Connected Earth oral history programme.

featured story

100 years of automatic switching!
In 1912 the GPO installed Britain's first automatic telephone exchange in Epsom.

Discover the early days of the telephone...