Information Technology History

Do you know the history of IT??
i would like to share some of information about it to all of you..

 

History of IT are consists of 4 ages which are Pre-mechanical, Mechanical, Electromechanical and Electronic (Butler. J.G.1987). 

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Pre-mechanical is from 3000 B.C to 1450 A.D. During this time, people used alphabets to communication that created by Phoenician and added vowels by The Greeks. They also communicated through speaking and picture drawings. They also had a writing system that is called “cuniform”. They were able to write in on scratch marks in wet clay, papyrus plant, barks, leather, etc. 

Furthermore, Chinese has developed how to create paper from rags in 100 A.D. Likewise; they had books and libraries as permanent storage devices whereby the Greeks bind the fold of sheet of papyrus into one. At that time, people also had the first numbering system that was introduced by Egyptian the numbers 1-9 vertical lines. Then, Hindus in India created nine-digit number system that we are using nowadays and in 875 A.D the concept of zero was developed. There was also the first calculator that is called the abacus.

Moreover, during the Mechanical age (1450 – 1840), Johann Gutenberg Invented the movable metal-type printing process in 1450 whereby it was the first information explosion. Then, in 1600, William Oughtred was invented the slide rule. The Pascaline was invented by Blaise Pascal in 1623. After that, Leibniz's Machine was invented one of the first mechanical computing machines in 1642. 

In addition, there was also The Electromechanical age (1840-1940). At that time, it was the beginning of telecommunication. People were invented voltaic battery, telegraph, Morse code, telephone and radio for communicate with each other’s. Furthermore, there was electromechanical computing that is called Herman Hollerith and IBM in 1880.

 

Lastly, the electronic age (1940 until present). In 1940s, people were known electronic vacuum tubes whereby it was first electronic computer.