Information Age “An in depth look at the exciting history of the Calculator and Computer”

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Presentation transcript:

Information Age “An in depth look at the exciting history of the Calculator and Computer”

4 Abacus 4 Pascal 4 Leibniz 4 Babbage 4 Early Computers 4 Electronic Computers 4 Transistor 4 Personal Computer 4 Advancements 4 Noteworthy Contributors

Abacus 4 5,000 years ago 4 Asia Minor 4 5-bead

Blaise Pascal 4 Pascaline 4Numerical wheel 4 Invented Add & subtract only 4 Series of ten-toothed wheels 46, 8 ? 4 Each tooth represented a digit 4 0 to 9

Gottfried Wilhelm Von Leibniz 4 Philosopher and mathematician Improved Pascaline 4Multiply and divide 4 Birth 4Calculator 4Personal computers ?

Charles Babbage 4 Difference Engine 4With Augusta Ada King 4 First actual computer 4Stores information 4Accepts data

Early Computers 4 Mechanisms 4Rotating shafts and gears 4Used during both world wars 4 Predict torpedo course 4 Analog computer 4Vacuum Tubes 4 Digital computer

Electronic Computers 4 Electronic Numerical Integrator and Computer (ENIAC) U. of Pennsylvania 4John P. Eckert, Jr tubes 4 Much more speed 41000x Mark I

UNIVAC I & EDVAC I 4 Universal Automatic Computer (UNIVAC I) 4First to use CPU 4 John von Neumann 4 mid 1940’s

Transistor s 4 Smaller and faster 4 Smaller components needed 4 Longer life 4 Less expensive

Personal Computer 4 Intel st Microprocessor 4 Altair 8800 (1975) 48-bit Intel 8080 Microprocessor 4256 bytes RAM 4DIP switch input & LED output 4 Apple II (1977) 41st true PC

Advancements 4 Integrated Circuits 4 PCBs 4 VLSI 4 Graphics 4 Software

4 Herman Hollerith 4Tabulating Machine (late 1800s) 4IBM (1924) 4 Alan Turing 4Programmable Machine (1936) 4 John von Neumann 4First Electronic Computer 4EDVAC (1945) Noteworthy Contributors

4 Bardeen, Brattain, Shockley 4Bell Labs 4Transistor 4 Gates & Allen 4Microsoft (1975) 4BASIC for Altair 4 Jobs & Wozniak 4Apple Computer (1976) 4Garage

Points to Ponder 4 Computer Technology 4Incredibly rapid advancement 4Slowing ? 4 Supply & demand 4 Modern Computers 4Voice command 4CD imaging 4Virtual Reality

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