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History of Computers.

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Presentation on theme: "History of Computers."— Presentation transcript:

1 History of Computers

2 Early Ideas Abacus Logs by John Napier Wilhelm Shickard
William Oughtred Pascaline Leibniz Calculator Jacquard Loom Blaise Pascal ( ) Joseph-Marie Jacquard ( ) Gottfried Wilhelm von Leibniz (1646 – 1716)

3 Early Computers Difference Engine Analytical Engine Charles Babbage
( )

4 Ada Augusta Lovelace ADA – Programming Language

5 John Vincent Atanasoff
Early Computers Hollerith’s Punch Card Machine ABC – Atanasoff-Berry Computer Special Purpose Electronic Digital Computer John Vincent Atanasoff Herman Hollerith ( )

6 GENERATIONS of Computers
First Generation ( ) Technology: Vacuum Tubes ENIAC - Electronic Numerical Integrator and Computer EDVAC - Electronic Discrete Variable Automatic Computer UNIVAC - Universal Automatic computer

7 GENERATIONS of Computers
Second Generation ( ) Technology: Transistor Invented by William Shockley, John Bardeen, and William Brattain

8 GENERATIONS of Computers
3. Third Generation ( ) Technology: Integrated Circuits Robert Noyce ( ) Jack Kilby

9 GENERATIONS of Computers
4. Fourth Generation (1971-present) The Microprocessor The Microcomputer The Personal Computer The Apple II

10 GENERATIONS of Computers
5. Fifth Generation (present-beyond) Artificial Intelligence games playing expert systems natural language robotics


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