History of computers

The history of computers

Period: Jan 1, 1600 to Mar 4, 2015

Very first mechanical calculator

Mar 4, 1600

Created by pascal

Arithometer

Jan 1, 1820

First four function calculator

First Hand Cranked Calculator

Jan 1, 1877

Colossus

Dec 5, 1963

The very first entirely electric Computer that was programmable

First Home Computer

Mar 5, 1977

Home computers became common

Mar 5, 1980

First internationally sold laptop

Mar 5, 1984

First Mac Sold While Steve jobs was CEO

Mar 5, 2015

iMac G3