The document defines a computer as any programmable electronic device that can store, retrieve, and process data. It discusses the early history of computing concepts in the 1200s and the first complex mechanical encoder, the Enigma, used by Germans in World War II. It also outlines the origin of IBM, which began in the late 1800s as a company that specialized in punched card data processing equipment and later merged with other companies to form International Business Machines.

1. History of Computer

2. Definition of computer Webster's Dictionary defines " computer " as any programmable electronic device that can store, retrieve, and process data . The basic idea of computing develops in the 1200's when a Moslem cleric proposes solving problems with a series of written procedures .

3. The Enigma The Enigma, a complex mechanical encoder is used by the Germans and they believe it to be unbreakable

4. Origin of IBM IBM's history dates back decades before the development of electronic computers . Of the companies merged to form what later became IBM, the oldest was the Tabulating Machine Company, founded in 1896 by Herman Hilarity, and specialized in the development of punched card data processing equipment .

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