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Encyclopedia > ARM Ltd
The entrance to ARM's headquarters in Cherry Hinton, Cambridge
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The entrance to ARM's headquarters in Cherry Hinton, Cambridge

ARM (Advanced RISC Machines) Ltd is a microprocessor design company headquartered in England, founded in 1990 by Hermann Hauser. The company is listed on the London Stock Exchange (symbol: ARM) and NASDAQ (symbol: ARMHY). It is probably the best-known of the Silicon Fen companies. Download high resolution version (1132x849, 280 KB)ARM Ltd headquarters building in Cherry Hinton, Cambridge. ... Download high resolution version (1132x849, 280 KB)ARM Ltd headquarters building in Cherry Hinton, Cambridge. ... The city of Cambridge is an old English university town and the administrative centre of the county of Cambridgeshire. ... Reduced Instruction Set Computing (RISC), is a microprocessor CPU design philosophy that favors a smaller and simpler set of instructions that all take about the same amount of time to execute. ... A limited company is a company whose practices are limited by English law. ... Microprocessors, including an Intel 80486DX2 and an Intel 80386 A microssor (abbreviated as µP or uP) is a computer electronic component made from miniaturized transistors and other circuit elements on a single semiconductor integrated circuit (IC) (aka microchip or just chip). ... Royal motto (French): Dieu et mon droit (Translated: God and my right) Englands location within the UK Official language English de facto Capital London de facto Largest city London Area - Total Ranked 1st UK 130,395 km² Population - Total (mid-2004) - Density Ranked 1st UK 50. ... 1990 is a common year starting on Monday of the Gregorian calendar. ... Hermann Maria Hauser, CBE FREng FinstP CPhys (23 October 1948 -), is an entrepreneur born in Vienna, Austria. ... The Source by Greyworld, in the new LSE building The London Stock Exchange (abbreviated LSE) is a stock exchange located in London. ... NASDAQ MarketSite (Times Square, New York City) at night NASDAQ (originally an acronym for National Association of Securities Dealers Automated Quotations) is a U.S. electronic stock exchange. ... Silicon Fen is the name given to the region around Cambridge, England, which is home to a large number of high-tech businesses. ...


A characteristic feature of ARM processors is their low electric power consumption, which makes them particularly suitable for use in portable devices. In fact, almost all modern mobile phones and PDAs contain ARM CPUs, making them the most widely-used 32-bit microprocessor family in the world, more so than the better-known 32-bit Pentium 4 processors found in many PCs. Today ARMs account for over 75% of all 32-bit embedded CPUs. Transmission lines in Lund, Sweden Electric power, often known as power or electricity, involves the production and delivery of electrical energy in sufficient quantities to operate domestic appliances, office equipment, industrial machinery and provide sufficient energy for both domestic and commercial lighting, heating, cooking and industrial processes. ... Palm IIIxe PDA Personal digital assistants (PDAs or palmtops) are handheld devices that were originally designed as personal organizers, but became much more versatile over the years. ... This article needs to be cleaned up to conform to a higher standard of quality. ... Pentium 4 (with hyper-threading) brand logo The Pentium 4 is a seventh-generation x86 architecture microprocessor produced by Intel and is their first all-new CPU design, called the NetBurst architecture, since the Pentium Pro of 1995. ... The tower of a personal computer. ...


ARM was a spin-off from Acorn Computers Ltd, intended to further the development of the Acorn RISC Machine's RISC chip, which was originally used in the Acorn Archimedes and is now the processing core for many custom ASICs. ARM processors are used as the main CPU for many Personal digital assistants (PDAs) and handhelds, like the Apple iPod, Nintendo Game Boy Advance and Gamepark GP32. Acorn Computers Ltd. ... The ARM architecture (originally the Acorn RISC Machine) is a 32-bit RISC processor architecture that is widely used in a number of applications. ... Reduced Instruction Set Computing (RISC), is a microprocessor CPU design philosophy that favors a smaller and simpler set of instructions that all take about the same amount of time to execute. ... The Acorn Archimedes was Acorn Computers Ltds first general purpose home computer based on their own 32-bit ARM RISC CPU, and spawned a family of very capable machines with various options. ... An ASIC (application-specific integrated circuit) is an integrated circuit (IC) customised for a particular use, rather than intended for general-purpose use. ... Palm IIIxe PDA Personal digital assistants (PDAs or palmtops) are handheld devices that were originally designed as personal organizers, but became much more versatile over the years. ... A handheld is most often used to refer to: A personal digital assistant (PDA). ... Apple Computer, Inc. ... A grayscale fourth-generation iPod with earphones. ... Nintendo (Japanese: 任天堂; (NASDAQ: NTDOF), (TYO: 7974)) was originally founded in 1889 by Fusajiro Yamauchi to produce handmade hanafuda cards, for use in a Japanese playing card game of the same name. ... The Game Boy line is the best-selling handheld to date The Game Boy Advance (GBA) is a handheld videogame console developed, manufactured and marketed by Nintendo. ... Game Park Holdings[1] (formerly Game Park) is the Korean company that manufactured the GP32. ... The GP32 (GamePark 32) is a hand held console built by the Korean company GamePark. ...


Unlike other microprocessor corporations such as AMD, Intel, Motorola and Hitachi, ARM only licenses its designs, rather than manufacturing its own CPUs. Thus, there are a few dozen companies making processors based on ARM's designs. Advanced Micro Devices, Inc. ... Intel Corporation (NASDAQ: INTC) (founded 1968) is a U.S.-based multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... Motorola NYSE: MOT (TYO: 6686) is a global communications company based in Schaumburg, Illinois, a Chicago suburb. ... Hitachi Ltd. ...


See also

See ARM architecture for background information. The ARM architecture (originally the Acorn RISC Machine) is a 32-bit RISC processor architecture that is widely used in a number of applications. ...


External links


  Results from FactBites:
 
The history of the ARM CPU (6381 words)
ARM Ltd was founded with a clear mission to continue the development of the ARM processor and to facilitate its use by system developers, whether as a standalone processor or as a macrocell with custom logic or other ARM components added to it to make a custom chip.
ARM Ltd now has offices in California and Japan in order to maintain a close relationship with licensees and their major customers, and to promote existing ARM devices and the company's ability to produce new ones to future customers.
ARM Ltd's own mythology is that virtually all the chips they have designed have worked first time; a row of champagne bottles, each opened to celebrate the arrival of working silicon, lines the staircase at ARM Ltd's barn to bear witness to this.
ARM architecture - Wikipedia, the free encyclopedia (2448 words)
ARM CPUs are found in all corners of consumer electronics, from portable devices (PDAs, mobile phones, media players, handheld gaming units, and calculators) to computer peripherals (hard drives, desktop routers).
ARM has implemented a technology that allows certain of their architectures to execute Java bytecode natively in hardware, as another execution mode.
ARM Ltd does not manufacture and sell CPU devices based on their own designs, but rather, licenses the processor architecture to interested parties.
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