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History of Computers

Feb 24, 2016

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History of Computers. Is this a computer?. http://commons.wikimedia.org/wiki/File:Dell_Desktop_Computer_in_school_classroom.jpg. How about this?. What about this?. http://commons.wikimedia.org/wiki/File:Chinese-abacus.jpg. Or this?. Abacus. Is a simple device to aid in calculating. - PowerPoint PPT Presentation

Slide 1

History of Computers

2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE1Is this a computer?

http://commons.wikimedia.org/wiki/File:Dell_Desktop_Computer_in_school_classroom.jpg2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE2How about this?

2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE3What about this?

http://commons.wikimedia.org/wiki/File:Chinese-abacus.jpg2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE4Or this?

2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE5AbacusIs a simple device to aid in calculating.This is an Inca Quipu.png1And a Roman Abacus2

14th edition of the Meyers Konversationslexikon 18882Reconstruction of a Roman Abacus, made by the RGZ Museum in Mainz, 1977

2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE6AbacusMany countries still use Abacuses in day- to-day sales calculations

http://www.flickr.com/photos/todbaker/23058539282010 Akula LLC, Jeremy R. Hertzberg, BS CMPE7AbacusPrimarily used as a aid for addition and subtractionFor more complex operations other tools are often used, such as slide rules

http://commons.wikimedia.org/wiki/File:Chinese-abacus.jpg2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE8Slide ruleWhile the abacus was in use over 4000 years ago, the slide rule is a relatively modern device.William Oughtred invented the slide rule around 1622 AD

2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE9Slide ruleDuring the 1960s computers became a resource that engineers could use.

The engineers who designed the SR-71 Blackbird still used slide rules on a daily basis.2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE10The Blackbird set a coast-to-coast record time of 67 minutes 54 seconds.

2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE11Mechanical computers

http://commons.wikimedia.org/wiki/File:Curta_Mechanical_computer_img_1651.jpg2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE12Univac

http://www.flickr.com/photos/diorama_sky/2902656083/2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE13Modern Computer

http://commons.wikimedia.org/wiki/File:Dell_Desktop_Computer_in_school_classroom.jpg2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE14Vacuum Tubes

http://www.flickr.com/photos/nickames/4081648117/2010 Akula LLC, Jeremy R. Hertzberg, BS CMPE15Transistor

http://www.flickr.com/photos/oskay/21056415302010 Akula LLC, Jeremy R. Hertzberg, BS CMPE16