Grade 8 History of Computers
History of Computers Introduction - The history of computer implies to the gradual change over a long period of time upon the concept of counting, calculating or computing and the development and evolution of calculating tools and devices. Beginning - During the fifth century Hindu philosophers were able to develop a new method of counting using numbers (digits) 0 to 9. Abacus : In early days , people used pebbles or beads on a counting board to carry out simple calculations. This tool is called the Abacus, its exact origin is unknown. It may have originated in China, Egypt or Greece during 5000 B.C. to 2000 B.C. An Abacus can be used to add, subtract, multiply and divide. Napier’s Bone - Napier’s Bone was developed by a Scottish mathematician John Napier in 1614. Points about Napier’s Bone: · It was made up of bones on which numbers were painted · ...