Ancient Computing Devices

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Presentation transcript:

Ancient Computing Devices Created by Zack Johnson Presented by Ryan Bailey

Overview ENIAC Mark 1 Conrad Zues’ Z1 Babbage’s Analytic Engine (1830) Babbage’s Difference Engine (1820) Jacquard Loom (1801) Pascaline (1642) Antikythera Mechanism (100 BC) Abacus

Abacus Calculator in ancient times Used in Ancient Greece, Rome and China Origin unknown. Greeks developed Salamis tablet in 300 BCE. Chinese version Suan Pan came around 770 BC but the exact creation is unknown and is actually believed to be much older. Handheld versions created by the Romans in 300 AD.

Antikythera Mechanism Considered first actual computer Tracked seasons, eclipses(even partial ones), planetary motion, and festivals Was found in 1900 but was ignored for 51 years. Designed to calculate dates and predict astronomical phenomena, has therefore been called the earliest analog computer. This thing could predict eclipses, seasons and festivals. Was the most advanced technology for 1500 years. Predicted to be constructed ~100BCE. Planetary motion in the mechanism was accurate to within one degree in 500 years.

Pascaline Arithmetic machine built ~1643 Only preformed addition and subtraction Made for his father, a tax collector

Jacquard Loom Loom that operated on punch cards Charles Babbage adopted the idea of punch cards

Babbage’s Difference Engine Babbage’s first attempt at a computing device Designed to work with polynomials Would have stood 8’ tall and weighed 4 tons Funding discontinued

Babbage’s Analytic Engine Four parts Mill (think CPU) Store (Memory) Reader (Input) Writer (Output) Held up to 1,000 50 digit numbers Connected with Ada Lovelace

Z1 22-bit computing machine built in 1936 First programmable computer using Boolean Destroyed in the bombing of Berlin

Mark 1 First computer bug Debugging was literally removing a moth Unsung hero Grace Hopper

ENIAC First modern computer Constructed originally for the United States Army Calculated up to 2400X faster than a human

Works cited https://www.computerhope.com/jargon/a/abacus.htm https://www.ee.ryerson.ca/~elf/abacus/history.html http://www.cits.net/china-travel-guide/suanpan-the-fifth-invention-in-chinese-history.html http://mentalfloss.com/article/81445/15-intriguing-facts-about-antikythera-mechanism https://www.smithsonianmag.com/history/decoding-antikythera-mechanism-first- computer-180953979/ https://www.britannica.com/technology/Pascaline

Continued https://www.britannica.com/technology/Pascaline http://www.computerhistory.org/babbage/engines/ http://www.computinghistory.org.uk/det/6170/Zuse-Z1-built-by-Konrad- Zuse/ https://www.britannica.com/technology/ENIAC