Electronic Numerical Integrator and Computer (ENIAC) ENIAC Technical Manual, Paperback/Adele K. Goldstine

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• Brand: Periscope Film LLC
• Categoria: Foreign Books
• Magazin: elefant.ro
• Ultima actualizare: 04-06-2026 00:26:43

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Created in 1946 as part of a 1,000 page Report on the Electronic Numerical Integrator and Computer (ENIAC), this ENIAC Technical Manual provides a fascinating glimpse into the technology behind the world\'s first electronic, general-purpose computer. Designed and built during WWII at the University of Pennsylvania, ENIAC was conceived by John Mauchly and J. Presper Eckert. It was financed by the Ordnance Department of the U.S. Army. The Army\'s intent was to use it to calculate artillery firing tables but ENIAC\'s digital, Turing-complete design meant that it could solve a wide range of problems. Eventually it was even used to compute data for the design of the hydrogen bomb. ENIAC represented a remarkable advance in technology. Its speed was 1000x faster than the electro-mechanical machines that preceded it, and it relied on no moving parts to produce calculations. Famously, the ENIAC contained almost 17,500 vacuum tubes, 7,200 crystal diodes, 1,500 relays, 70,000 resistors and 10,000 capacitors, and took up nearly 1800 square feet while consuming 150 kW of power. While vacuum tube technology was not the most reliable owing to frequent burn-outs, the ENIAC operated roughly 50% of the time it was in service. ENIAC was composed of individual panels that performed different functions, with numbers passed between the units by buses. It could be programmed to perform a variety of now-familiar operations including loops, branches and subroutines, and could hold a ten-digit decimal number in memory. It even had the ability to branch - triggering different operations depending on the sign of a computed result - and could print results to an IBM punch card. Programming the ENIAC was not easy and often took weeks of work, some of it spent mapping out the problem and much of it spent settingup the computer\'s numerous switches and cables. That task fell to several female programmers including the author of this book, Adele K. Goldstine. Created by the University of Pennsylvania in fulfillment of their contract, this ENIAC Technical Manual was originally restricted, and its publication limited to just 25 copies. Within its pages you\'ll find a complete explanation of the circuits of the machine. This text provides a unique and fascinating look into ENIAC, and is a must have for any student of computing theory and history. Please note: this book was made from an original mimeograph copy of the master typescript manuscript prepared in 1946. As a result some pages lack legibility.