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BARK (computer)
BARK () was an early electromechanical computer. BARK was built using standard telephone relays, implementing a 32-bit binary machine. It could perform addition in 150 ms and multiplication in 250 ms. It had a memory with 50 registers and 100 constants. It was later expanded to double the memory. Howard Aiken stated in reference to BARK "This is the first computer I have seen outside Harvard that actually works." History BARK was developed by ''Matematikmaskinnämnden'' (Swedish Board for Computing Machinery) a few years before BESK. The machine was built with 8,000 standard telephone relays, 80 km of cable and with 175,000 soldering points. Programming was done by plugboard. It was completed in February 1950 at a cost of 400,000 Swedish kronor (less than $100,000), became operational on April 28, 1950, and was taken offline on September 22, 1954. The engineers on the team led by Conny Palm were Harry Freese, Gösta Neovius, Olle Karlqvist, Carl-Erik Fröberg, G. Kellbe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conny Palm (6979247547)
Conrad "Conny" Rudolf Agaton Palm (May 31, 1907 – December 27, 1951) was a Swedish electrical engineer and statistician, known for several contributions to teletraffic engineering and queueing theory.Rolf B. HaugenThe life and work of Conny Palm – some personal comments and experiencesfrom ''Telektronikk'' (Telenor research journal), 2(3):50–55, 1995 Education and career Palm enrolled at the School of Electrical Engineering at the Royal Institute of Technology in Stockholm in 1925, being awarded his M.Sc. (1940) and Ph.D (1943) on a dissertation entitled ''Intensitätsschwankungen im Fernsprechverkehr'' (Intensity Fluctuations in Telephone Traffic). Palm's work was also joint with L. M. Ericsson, cooperating with Christian Jacobæus. He attended Harald Cramér's queueing theory group, met William Feller (1937). Later, Palm was in the Swedish Board for Computing Machinery (''Matematikmaskinnämnden''), where he led the project that developed the first Swedish computer, the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plugboard
A plugboard or control panel (the term used depends on the application area) is an array of jacks or sockets (often called hubs) into which patch cords can be inserted to complete an electrical circuit. Control panels are sometimes used to direct the operation of unit record equipment, cipher machines, and early computers. Unit record equipment Main article: Unit record equipment The earliest machines were hardwired for specific applications. Control panels were introduced in 1906 for the Hollerith Type 1 Tabulatorphoto of Type 3 with built-in control panel here. Removable control panels were introduced with the Hollerith ( IBM) type 3-S tabulator in the 1920s. Applications then could be wired on separate control panels, and inserted into tabulators as needed. Removable control panels came to be used in all unit record machines where the machines use for different applications required rewiring. IBM removable control panels ranged in size from 6 1/4" by 10 3/4" (for ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
One-of-a-kind Computers
One of a Kind may refer to: Film and television * ''One of a Kind'' (film), a 2013 French film * ''One of a Kind'' (game show), a 1958–1959 Canadian panel show * ''One of a Kind'' (TV series), a 1978 Canadian children's series * "One of a Kind" (''Brandy & Mr. Whiskers''), a television episode * "One of a Kind" (''Danny Phantom''), a television episode Music Albums * ''One of a Kind'' (Bruford album) or the title song, 1979 * ''One of a Kind'' (Dave Grusin album), 1977 * ''One of a Kind'' (Moe Bandy album) or the title song, 1979 * ''One of a Kind'' (Pandora album) or the title song (see below), 1993 * ''One of a Kind'' (Tammy Wynette album) or the title song (see below), 1977 * ''One of a Kind'' (G-Dragon EP) or the title song (see below), 2012 * ''One of a Kind'' (Monsta X EP), 2021 * ''One of a Kind'', by Della Reese, 1978 * ''One of a Kind'', by Orleans, or the title song, 1982 Songs * "One of a Kind" (G-Dragon song), 2012 * "One of a Kind" (Pandora song), 19 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
History Of Computing Hardware
The history of computing hardware covers the developments from early simple devices to aid calculation to modern day computers. Before the 20th century, most calculations were done by humans. The first aids to computation were purely mechanical devices which required the operator to set up the initial values of an elementary arithmetic operation, then manipulate the device to obtain the result. Later, computers represented numbers in a continuous form (e.g. distance along a scale, rotation of a shaft, or a voltage). Numbers could also be represented in the form of digits, automatically manipulated by a mechanism. Although this approach generally required more complex mechanisms, it greatly increased the precision of results. The development of transistor technology and then the integrated circuit chip led to a series of breakthroughs, starting with transistor computers and then integrated circuit computers, causing digital computers to largely replace analog computers. Met ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SMIL (computer)
SMIL ( sv, Siffermaskinen i Lund, "The Number Machine in Lund") was a first-generation computer built at Lund University in Lund, Sweden. SMIL was based on the IAS architecture developed by John von Neumann. Carl-Erik Fröberg belonged to the group of five young Swedish scientists 1947–48 that IVA sent to the U.S. to gather information about the early computer development, and then came to strongly influence the development in Sweden. Fröberg visited with Erik Stemme the Institute for Advanced Study, and John von Neumann's research group. Back in Lund, he played a leading role in the creation of SMIL, which was the first computer developed in Lund and among the first in Sweden. SMIL was introduced in 1956 and then was in operation until 1970. In February 1962 SMIL was fitted with a compiler for ALGOL 60. The compiler was constructed by Torgil Ekman and Leif Robertson. Carl-Erik Fröberg was also behind the early emergence of numerical analysis as a separate university ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elsa-Karin Boestad-Nilsson
Elsa-Karin Boestad-Nilsson (25 November 1925 – 27 March 2020) was a Swedish computing pioneer who programmed the first and second computers in Sweden, BARK and BESK. Boestad-Nilsson was born on 25 November 1925 in Stockholm, the daughter of mechanical engineering professor . After earning a degree in mathematics at Stockholm University in 1948, she joined the Swedish National Defence Research Institute (FOA) in the same year, as the only degreed woman there at the time. Her initial work involved using mechanical calculators from the Facit company to solve problems in aerodynamics, and although she found novel methods to speed up these calculations, she did not dare to publish them. By 1952, these calculators, and the women operating them, had been made obsolete by new analog computers imported from the US and operated by male civil engineers. Instead, she took a course in computer programming and began working as a programmer. Her initial work in this area was on BARK, a prog ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Conny Palm
Conrad "Conny" Palm (1907–1951) was a Swedish electrical engineer and statistician, known for several contributions to teletraffic engineering and queueing theory. Rolf B. HaugenThe life and work of Conny Palm – some personal comments and experiencesfrom ''Telektronikk'' ( Telenor research journal), 2(3):50–55, 1995 Palm enrolled at the School of Electrical Engineering at the Royal Institute of Technology in Stockholm in 1925, being awarded his M.Sc. (1940) and Ph.D (1943) on a dissertation entitled ''Intensitätsschwankungen im Fernsprechverkehr'' (Intensity Fluctuations in Telephone Traffic). Palm's work was also joint with L. M. Ericsson, cooperating with Christian Jacobæus. He attended Harald Cramér's queueing theory group, met William Feller (1937). Later, Palm was in the Swedish Board for Computing Machinery (''Matematikmaskinnämnden''), where he led the project that developed the first Swedish computer, the BARK (1947–51), informally referred to as CONIAC ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Swedish Krona
The krona (; plural: ''kronor''; sign: kr; code: SEK) is the official currency of the Kingdom of Sweden. Both the ISO code "SEK" and currency sign "kr" are in common use; the former precedes or follows the value, the latter usually follows it but, especially in the past, it sometimes preceded the value. In English, the currency is sometimes referred to as the Swedish crown, as means "crown" in Swedish. The Swedish krona was the ninth-most traded currency in the world by value in April 2016. One krona is subdivided into 100 ''öre'' (singular; plural ''öre'' or ''ören'', where the former is always used after a cardinal number, hence "50 öre", but otherwise the latter is often preferred in contemporary speech). However, all öre coins were discontinued from 30 September 2010. Goods can still be priced in ''öre'', but all sums are rounded to the nearest krona when paying with cash. The word ''öre'' is ultimately derived from the Latin word for gold (''aurum''). History ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
BESK
BESK (''Binär Elektronisk SekvensKalkylator'', Swedish for "Binary Electronic Sequence Calculator") was Sweden's first electronic computer, using vacuum tubes instead of relays. It was developed by ''Matematikmaskinnämnden'' (Swedish Board for Computing Machinery) and for a short time it was the fastest computer in the world. The computer was completed in 1953 and in use until 1966. The technology behind BESK was later continued with the transistorized FACIT EDB and FACIT EDB-3 machines, both software compatible with BESK. Non-compatible machines highly inspired by BESK were SMIL made for the University of Lund, ''SAABs räkneautomat'' SARA, "SAAB's calculating machine", and DASK made in Denmark. BESK was developed by the Swedish Board for Computing Machinery (Matematikmaskinnämnden) a few years after the mechanical relay computer BARK (Binär Aritmetisk Relä-Kalkylator, Swedish for "Binary Arithmetic Relay Calculator"). The team was initially led by Conny Palm, who die ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electromechanics
In engineering, electromechanics combines processes and procedures drawn from electrical engineering and mechanical engineering. Electromechanics focuses on the interaction of electrical and mechanical systems as a whole and how the two systems interact with each other. This process is especially prominent in systems such as those of DC or AC rotating electrical machines which can be designed and operated to generate power from a mechanical process (generator) or used to power a mechanical effect (motor). Electrical engineering in this context also encompasses electronics engineering. Electromechanical devices are ones which have both electrical and mechanical processes. Strictly speaking, a manually operated switch is an electromechanical component due to the mechanical movement causing an electrical output. Though this is true, the term is usually understood to refer to devices which involve an electrical signal to create mechanical movement, or vice versa mechanical movement ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Swedish Board For Computing Machinery
The Swedish Board for Computing Machinery ( sv, Matematikmaskinnämnden, MMN) was a Swedish government agency which built Sweden's first computers: BARK and BESK. A governmental study into the need for computing machinery in Sweden had been conducted in 1947 by initiative of the Royal Swedish Academy of Engineering Sciences and the Naval Procurement Agency. The study recommended the immediate purchase of computing machinery from the United States and a budget of 2 million SEK was allocated for the purpose. The Swedish Board for Computing Machinery was established on November 26, 1948, to handle the purchase. , accessed on August 30, 2009 The Academy of Engineering Sciences had initiated some activities already in 1947 by sending five young engineers and scientists to rese ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Matematikmaskinnämnden
The Swedish Board for Computing Machinery ( sv, Matematikmaskinnämnden, MMN) was a Swedish government agency which built Sweden's first computers: BARK and BESK. A governmental study into the need for computing machinery in Sweden had been conducted in 1947 by initiative of the Royal Swedish Academy of Engineering Sciences and the Naval Procurement Agency. The study recommended the immediate purchase of computing machinery from the United States and a budget of 2 million SEK was allocated for the purpose. The Swedish Board for Computing Machinery was established on November 26, 1948, to handle the purchase. , accessed on August 30, 2009 The Academy of Engineering Sciences had initiated some activities already in 1947 by sending five young engineers and scientists to rese ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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