Who Invented Computer ?

Computers have become the basic necessity of any Organization with Serious Objective, quite serious. We all Use it Somehow, somewhere in our day to day life. We are using it but we don't know about the invention of it how it comes, how it became popular, how it became the "Part of Life". We all know that Wheel is one of the Greatest Invention by Human Beings, Computer's Invention is also Related to the WHEELS. So let's begin our journey to the world where the excellent thoughts were going to make "History" and find out "Who Invented Computer ?"

Its 2500 B.C, first recorded Computer by Abacus. It was a rectangular wooden frame with beads strung on parallel wires. It was Invented in China and soon used by Greeks, Romans, and Japanese.

In the Year 1614, a Scottish Mathematician John Napier introduces the concept of Logarithms. He used a set of bones to Perform Multiplication. He used 11 bones having four faces each. Each bone was carved with numbers on it. These numbers were so carved that by keeping them side by side, the Product of Number could be Obtained. Hence the name "Napier Bones".Isn't it Interesting?

In the Year 1630, an English Mathematician, William Oughtred, developed the Slide Rule. It was designed on the basis of Logarithm. It consists of 2 scales, one of which slides over the other. It was so designed that whenever one scale slides over the other, alignment of one on the other gave the result of basic arithmetic operation.

In the Year 1642, a French mathematician, Blaise Pascal, Invented this Machine. He developed it for his father's Business Calculation. It was made up of Counter wheels. This was capable of Performing Addition, Subtractions, Multiplication and Division. Multiplication and Division were carried out in terms of Addition and Subtraction. The ERA of mechanical calculating machines started with the invention of the "PASCALINE".

PASCALINE Calculator:

In the Year 1671, One electro-mechanical computer called "Rotating wheel Calculator" was designed by German mathematician, Gottfried Von Leibnitz on the Principle of  "PASCALINE".

After that In 1822, a professor of Mathematics at Cambridge University, Charles Babbage, invented the Differential Engine. This was a hand operated machine with wheels, levers and mechanical linkages. In the Year 1833, Charles Babbage originated the concept of a digital programmable computer and developed the Analytical Engine which is the base of all the modern day computer.

Charles Babbage:

Babbage Machine consisted of Five Functional Units such as:

1. Input Unit.

2. Memory Unit.

3. Arithmetic Unit.

4. Control Unit.

5. Output Unit.

The Architecture of modern digital computer resembles the Analytical Engine and hence Charles Babbage is Called "THE FATHER OF COMPUTERS".

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sources: www.wikipedia.com, google images & google.com