Содержание
- 2. "Computer" was originally a job title: it was used to describe those human beings (usually women
- 4. In 1617 John Napier from Scotland invented logarithms, which are a technology that allows multiplication to
- 5. The Pascaline Blaise Pascal invented it in 1642 , at age 19, to help his father
- 6. A few years after Pascal, the German Gottfried Wilhelm Leibniz built a four-function (addition, subtraction, multiplication,
- 7. In 1801 the Frenchman Joseph Marie Jacquard invented a power loom that could base its weave
- 9. Charles Babbage, the English mathematician of the 19th century, was the first who conceived the idea
- 10. Analytical Engine
- 11. In 1834 Charles Babbage and Lady Lovelace, Lord Byron's daughter, worked out the first coded program.
- 12. In 1884 Hollerit invented Hollerith Desk. It consisted of a card reader and a large wall
- 13. The Hollerith census machine was the first machine to ever be featured on a magazine cover.
- 14. Hollerith built a company, the Tabulating Machine Company which eventually became International Business Machines, known today
- 15. In 1937 Dr. H. Aiken of Harvard University began to work at the first completely automatic
- 16. The first electronic computer, the Electronic Numerical Integrator and Calculator (ENIAC) was constructed in 1946 at
- 17. In 1945 John von Neuman worked out the concept of the stored program.
- 18. Today we can speak about 5 generations of computer development: The first The second The third
- 19. The first generation computers (from 1940s till 1959) large in size thousands of vacuum tubes slow
- 20. The second generation (began in 1959) use of transistors smaller, more powerful, and more reliable programming
- 21. The third generation silicon chips small size large capabilities
- 22. The fourth generation All computers of the present time, from the microcomputer to the supercomputer
- 25. The fifth generation computer differ in size, speed, and storage capacity artificial intelligence
- 26. natural languages large-scale integration technologies
- 28. Скачать презентацию