Electronic era.

It stated in 1946 and finished in 1957; now we are in the microelectronic era.

It is marked by the development of electronic devices and is divided on periods.

• Transistor period.
• Integrated circuits period.
• Computer processors period.

The great inventions ins this era were:

• Electronic numerical integrator computer.

• The transistor.

• The integrated circuit.

• The computer processor.