Electromechanical era

Electromechanical era

1840 to 1940
- The discovery of ways to control and use of electricity.
- Colossus machine: the first electronic calculating devices
the beginnings of telecommunications: voltaic battery telegraph, telephone and radio.
- Mark 1 the first complete Turing created by IBM In  1939-1944.
- Telegraph: invented by Samuel F.J Morse in 1832.
- Voltaic Pile: Alessandro Volta invented the voltaic pile wich is considered to be the first source of stored electricity in the 8th century.
- Telephone and Radio: the first successfully bi-directional transmission of clear speech by Bell and Watson was made on 10 March 1876.