Chapter # 4 ( History of Computer )

Counting system started from ABACUS which was invented by the people of China, leads to the Pascal's Calculator and then Leibnitz's Calculator. During the days of ABACUS and other calculators, many scientists tried their best to invent advance features of those inventions. So, in order to learn about computers and its history, we need to start from the times of ABACUS.

The detailed history of computers is divided into three different stages which are as follows;

1. Dark Age of Computers
2. Middle Age of Computers
3. Modern Age of Computers

Let us learn about these stages and their times and inventions briefly;


Dark Age of Computers:

Dark age of computers is comprised of ABACUS times and this age is from 3000 B.C to 1890.

Middle Age of Computers:
The middle age of computer comprises of the days when calculators were invented and were working for calculations purpose only in the world. The age of these computers is from 1890 to 1944.

Modern Age of Computers:
From 1944 till today, it is said to be the modern age of computers. Now computer has reached its high desire with a high speed of processing data and limited space occupying. Today many types of computers are available in the market and computer has transfered in every field of life, almost in every organization, Government Offices, Banks, Commercial Businesses, Industrial fields or NGOs are also using computers.