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500
Abaco
It arose in Asia Minor, 5000 years ago. I use it to count the days. -
Feb 27, 600
Pascal Calculator
In (1642) Blaise Pascal invented a mechanical adding machine to help his father to calculate taxes. -
Feb 27, 650
“Arithnometer”
In 1820-harles Xavier Thomas de Colmar invented a calculator that could perform the four basic mathematical operations (add, subtract, divide and multiply). -
Feb 27, 700
Babbage Difference Engine
In 1822 Designed to work with steam, was a large machine the size of a locomotive. Function was to solve differential equations. During the course of time Babbage began work on the first general-purpose computer or analytical engine. -
Feb 27, 750
First use of programming
In 1832 Lady Ada Lovelace creó instrucciones rutinarias para controlar la computadora, sugirió que las tarjetas perforadas podían prepararse para repetir ciertas instrucciones. -
Feb 27, 1000
laptop computer
PowerBook 1995 Apple develops is a range of laptops manufactured by Apple. -
Feb 27, 1500
tablet
For many, the first tablet PC, at least the first with a concept similar to the present, which was put up for sale in Windows 2001. It was a portable machine with touch screen and a version of the XP operating system that allowed some extras like pen operate. -
telegraph cable
In 1858 the first telegraph cable across the Atlantic tend. In 1876, Alexander Graham Bell invented and patented the telephone. -
first computer
The first computer was built by Aiken's Harvard Mark I (also called IBM ASSC) was completed only in 1944. -
pc
PC began in 1970. is aimed at individual use and differs from a mainframe computer -
Next station
In 1990, the NeXT computer work station went on sale, for "interpersonal" computer, as described by Steve Jobs.
