Have you ever wondered when man began the actual exchange of information? When was a certain letter written by one person and then understood by another? When you really stop to consider these questions, you can begin to see the great strides made by mankind since as early as 3000 BC. This is about the time the history of information technology really began.

The people of ancient times would be amazed at how we communicate today. However, without some of the primitive ways those people used to convey information, we would not have the technologically advanced methods we have today like computers and cell phones. There are four basic time periods in the advancement of the ways to communicate and relay information: Pre-mechanical, mechanical, electromechanical, and electronic.

In the pre-mechanical time period, the Phoenicians created communication symbols. This was in 2000 BC. Before this time, humans first used drawings to get across their message to someone else. The Greeks took the idea of the Phoenicians symbols and added vowels to them. This made those symbols able, in a sense, to move. Later, Romans took this same collection of and created the alphabet we all use today.

The year 600 BC marks the making of real books, fashioned from papyrus and bound together. Religious heads and leaders were usually the ones that kept the first real libraries of these collections. Humanity can thank the Egyptians for creating the invention of a system of numbers.This is also the inventors of the counting abacus.

Into the mechanical age, man began to develop devices for storing and recording information. Johann Gutenburg of Germany invented the first ever movable printing press process. This was the doorway that opened into many others for relaying information. This was also around the time analog computing machines were being invented.

Did you know the word computer used to be the actual person doing the computing? Imagine the faces of those 'computers' if they could see the ones we have today. Years ago, there were people behind the scenes that kept track of vital information. However, in the 1600's, came the first ever analog computer, invented by Blaise Pascal. It was called the Pascaline and was the first step into a machine taking the place of the human brain for data computing.

The biggest part in the electromechanical period was the use of electricity to give the energy needed to run inventions of those earlier computing machines that came along after the Pascaline. This was by far the biggest advance made for information technology up to that time. Along came the invention of telephones and Morse code as means of communicating information over long distances.

The first ever computer that was used to store programs and data was introduced in 1948. Dubbed the Manchester Mark I, this computer was extremely large. However. It began the series of inventions that lead up to versions of laptops and desk tops we all use today. From circuit boards to microchips, the history of information technology has certainly been made in huge and important strides.

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