History of Computer

Things to remember

• Abacus is the first counting device, developed by Chinese and Egyptians, 2500 years ago.
• Napier's bones, a cleaver multiplication tool invented in 1614 by mathematical John Napier of Scotland.
• The Slide Rule is an analog device for performing mathematical computations.
• The young Pascal developed a mechanical calculator to help him with his work.
• Stepped Recknor is a calculating device developed by gottrified Wilhem Von Leibnitz in 1671.
• Charles Babbage is known as father of computer.