Brief history of Computer

                                                           Brief  history of Computer  The abacus,shown in below,is a calculator;its first recorded use was circa 500 B.C. The Chine used it to add, subtract,multiply,and divide.

• In 17th century BLAISE PASCAL a mathematician and scientist of France developed the first mechanical calculator, which he called the "Pascalins".
• CHARLES BABBAGE a mathematician of UK in 1822 designed a special type of calculator called "differnce Engir.e"and in 1833 he developed a machine called "ANALYTICAL ENGINE".
• Later on American Scientists working at Howard University developed computer between 1937 and 1943 called"Howard mark-1".
• First electronic computer wa developed in 1946 at the University of Pennsylvania USA.
• First Personal (PC) was developed in 1981.