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The first digital electronic computer was developed in the period April 1936 - June 1939, in the IBM Patent Department, Endicott, New York by Arthur Halsey Dickinson. [35] [36] [37] In this computer IBM introduced, a calculating device with a keyboard, processor and electronic output (display). The competitor to IBM was the digital electronic ...
A chemical computer, also called a reaction-diffusion computer, Belousov–Zhabotinsky (BZ) computer, or gooware computer, is an unconventional computer based on a semi-solid chemical "soup" where data are represented by varying concentrations of chemicals. [1] The computations are performed by naturally occurring chemical reactions.
Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System.
The memory of the Atanasoff–Berry computer was a system called regenerative capacitor memory, which consisted of a pair of drums, each containing 1600 capacitors that rotated on a common shaft once per second. The capacitors on each drum were organized into 32 "bands" of 50 (30 active bands and two spares in case a capacitor failed), giving ...
Turing Test – The British mathematician and computer pioneer Alan Turing published a paper describing the potential development of human and computer intelligence and communication. The paper would come later to be called the Turing Test. 1950: US TIME magazine cover story on the Harvard "Mark III: Can man build a superman
With such methods, if a mistake was made, the whole program might have to be loaded again from the beginning. The very first time a stored-program computer held a piece of software in electronic memory and executed it successfully, was 11 am 21 June 1948, at the University of Manchester, on the Manchester Baby computer.
Building a dialysis machine that is safe, portable, and easy to use. It’s one of the reasons dialysis technology has changed little since Himmelfarb first donned a white coat in 1983.
A Cray-2 and its Fluorinert-cooling "waterfall", formerly serial number 2101, the only 8-processor system ever made, for NERSC A Cray-2 operated by NASA Front view of 1985 Supercomputer Cray-2, Musée des Arts et Métiers, Paris Side view of 1985 Supercomputer Cray-2, Musée des Arts et Métiers, Paris Detail of the upper part of the Cray-2 Inside of the Cray-2