Electromechanical Era

500 b.c – TODAY

Premechanical 500bc-1641

Electromechanical 1840-1940

Information and knowledge converted into electrical impulses

control and use of electricity

Colussus machine

First electronic calculating decives .

Beginings of telecommunication

Voltaic Baterry

Telegraph

Thelephone and radio

Mark 1

Firstr complet turing 1939-1944