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DEC Alpha

Index DEC Alpha

Alpha, originally known as Alpha AXP, is a 64-bit reduced instruction set computing (RISC) instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC), designed to replace their 32-bit VAX complex instruction set computer (CISC) ISA. [1]

129 relations: Advanced Simulation and Computing Program, Alpha 21064, Alpha 21164, Alpha 21264, Alpha 21364, Alpha 21464, AlphaServer, AlphaStation, Arithmetic shift, Berkeley Software Distribution, Bit numbering, Bitwise operation, Byte, CMOS, Compaq, Complex instruction set computer, Control flow, Conventional PCI, Cray, Cray T3D, Cray T3E, Data (computing), Debian, DEC 3000 AXP, DEC 4000 AXP, DEC 7000/10000 AXP, DEC Multia, DEC Prism, DECpc AXP 150, Delay slot, Device driver, Die (integrated circuit), Digital Equipment Corporation, Digital Personal Workstation, DVD, Emitter-coupled logic, Exclusive or, Extended Industry Standard Architecture, Framebuffer, FreeBSD, Futurebus, Gentoo Linux, Hewlett-Packard, IEEE 754, Instruction pipelining, Instruction set architecture, Integer (computer science), Intel, Intellectual property, Itanium, ..., Jinan, Joel Emer, L4 microkernel family, Linux, Logical conjunction, Logical disjunction, Logical NOR, Logical shift, Massively parallel, MDMX, Memory controller, Microprocessor, Microprocessor Report, MIPS architecture, Motherboard, MPEG-2, Multi-core processor, Multimedia Acceleration eXtensions, Multiprocessing, NetApp, NetBSD, Network-attached storage, OpenBSD, OpenVMS, Operating system, Original equipment manufacturer, Out-of-order execution, P5 (microarchitecture), PA-RISC, PALcode, PDF, Personal computer, Plan 9 from Bell Labs, Predication (computer architecture), Price–performance ratio, Processor register, Program counter, PS/2 port, R2000 (microprocessor), Red Hat Linux, Reduced instruction set computer, Samsung Electronics, Semiconductor device fabrication, Sheffer stroke, SIMD, Simultaneous multithreading, Single-board computer, Software release life cycle, SPARC, Standard Performance Evaluation Corporation, Status register, Sunway BlueLight, Sunway TaihuLight, Superscalar processor, SUSE Linux, Transaction processing, Translation lookaside buffer, Tru64 UNIX, TURBOchannel, VAX, Vector processor, Video Graphics Array, Virtual address space, Visual Instruction Set, Vlasic Pickles, VMEbus, Windows 2000, Windows NT, Windows NT 4.0, Word (computer architecture), Workstation, Wuxi, XNOR gate, ZDNet, 128-bit, 16-bit, 32-bit, 64-bit computing, 8-bit. Expand index (79 more) »

Advanced Simulation and Computing Program

The Advanced Simulation and Computing Program (or ASC) is a super-computing program run by the National Nuclear Security Administration, in order to simulate, test, and maintain the United States nuclear stockpile.

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Alpha 21064

The Alpha 21064 is a microprocessor developed and fabricated by Digital Equipment Corporation that implemented the Alpha (introduced as the Alpha AXP) instruction set architecture (ISA).

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Alpha 21164

The Alpha 21164, also known by its code name, EV5, is a microprocessor developed and fabricated by Digital Equipment Corporation that implemented the Alpha instruction set architecture (ISA).

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Alpha 21264

The Alpha 21264 is a Digital Equipment Corporation RISC microprocessor introduced in October, 1996.

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Alpha 21364

The Alpha 21364, code-named "Marvel", also known as EV7 is a microprocessor developed by Digital Equipment Corporation (DEC), later Compaq Computer Corporation, that implemented the Alpha instruction set architecture (ISA).

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Alpha 21464

The Alpha 21464 is an unfinished microprocessor that implements the Alpha instruction set architecture (ISA) developed by Digital Equipment Corporation and later by Compaq after it acquired Digital.

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AlphaServer

AlphaServer was the name given to a series of server computers, produced from 1994 onwards by Digital Equipment Corporation, and later by Compaq and HP.

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AlphaStation

AlphaStation was the name given to a series of computer workstations, produced from 1994 onwards by Digital Equipment Corporation, and later by Compaq and HP.

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Arithmetic shift

In computer programming, an arithmetic shift is a shift operator, sometimes termed a signed shift (though it is not restricted to signed operands).

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Berkeley Software Distribution

Berkeley Software Distribution (BSD) was a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995.

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Bit numbering

In computing, bit numbering (or sometimes bit endianness) is the convention used to identify the bit positions in a binary number or a container for such a value.

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Bitwise operation

In digital computer programming, a bitwise operation operates on one or more bit patterns or binary numerals at the level of their individual bits.

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Byte

The byte is a unit of digital information that most commonly consists of eight bits, representing a binary number.

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CMOS

Complementary metal–oxide–semiconductor, abbreviated as CMOS, is a technology for constructing integrated circuits.

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Compaq

Compaq (a portmanteau of Compatibility And Quality; occasionally referred to as CQ prior to its final logo) was a company founded in 1982 that developed, sold, and supported computers and related products and services.

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Complex instruction set computer

A complex instruction set computer (CISC) is a computer in which single instructions can execute several low-level operations (such as a load from memory, an arithmetic operation, and a memory store) or are capable of multi-step operations or addressing modes within single instructions.

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Control flow

In computer science, control flow (or flow of control) is the order in which individual statements, instructions or function calls of an imperative program are executed or evaluated.

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Conventional PCI

Conventional PCI, often shortened to PCI, is a local computer bus for attaching hardware devices in a computer.

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Cray

Cray Inc. is an American supercomputer manufacturer headquartered in Seattle, Washington.

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Cray T3D

The T3D (Torus, 3-Dimensional) was Cray Research's first attempt at a massively parallel supercomputer architecture.

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Cray T3E

The Cray T3E was Cray Research's second-generation massively parallel supercomputer architecture, launched in late November 1995.

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Data (computing)

Data (treated as singular, plural, or as a mass noun) is any sequence of one or more symbols given meaning by specific act(s) of interpretation.

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Debian

Debian is a Unix-like computer operating system that is composed entirely of free software, and packaged by a group of individuals participating in the Debian Project.

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DEC 3000 AXP

DEC 3000 AXP was the name given to a series of computer workstations and servers, produced from 1992 to around 1995 by Digital Equipment Corporation.

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DEC 4000 AXP

The DEC 4000 AXP is a series of departmental server computers developed and manufactured by Digital Equipment Corporation introduced on 10 November 1992.

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DEC 7000/10000 AXP

The DEC 7000 AXP and DEC 10000 AXP are a series of high-end multiprocessor server computers developed and manufactured by Digital Equipment Corporation, introduced on 10 November 1992 (although the DEC 10000 AXP was not available until the following year).

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DEC Multia

The Multia, later re-branded the Universal Desktop Box, was a line of desktop computers introduced by Digital Equipment Corporation on 7 November 1994.

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DEC Prism

Prism is a 32-bit RISC instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC).

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DECpc AXP 150

The DECpc AXP 150, code-named Jensen, is an entry-level workstation developed and manufactured by Digital Equipment Corporation.

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Delay slot

In computer architecture, a delay slot is an instruction slot that gets executed without the effects of a preceding instruction.

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Device driver

In computing, a device driver is a computer program that operates or controls a particular type of device that is attached to a computer.

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Die (integrated circuit)

A die (pronunciation: /daɪ/) in the context of integrated circuits is a small block of semiconducting material, on which a given functional circuit is fabricated.

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Digital Equipment Corporation

Digital Equipment Corporation, also known as DEC and using the trademark Digital, was a major American company in the computer industry from the 1950s to the 1990s.

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Digital Personal Workstation

The Digital Personal Workstation, code named "sports car", is a family of entry-level to mid-range workstation computers developed and manufactured by Digital Equipment Corporation (DEC).

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DVD

DVD (an abbreviation of "digital video disc" or "digital versatile disc") is a digital optical disc storage format invented and developed by Philips and Sony in 1995.

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Emitter-coupled logic

In electronics, emitter-coupled logic (ECL) is a high-speed integrated circuit bipolar transistor logic family.

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Exclusive or

Exclusive or or exclusive disjunction is a logical operation that outputs true only when inputs differ (one is true, the other is false).

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Extended Industry Standard Architecture

The Extended Industry Standard Architecture (in practice almost always shortened to EISA and frequently pronounced "eee-suh") is a bus standard for IBM PC compatible computers.

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Framebuffer

A framebuffer (frame buffer, or sometimes framestore) is a portion of RAM containing a bitmap that drives a video display.

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FreeBSD

FreeBSD is a free and open-source Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).

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Futurebus

Futurebus (IEEE 896) is a computer bus standard, intended to replace all local bus connections in a computer, including the CPU, memory, plug-in cards and even, to some extent, LAN links between machines.

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Gentoo Linux

Gentoo Linux (pronounced) is a Linux distribution built using the Portage package management system.

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Hewlett-Packard

The Hewlett-Packard Company (commonly referred to as HP) or shortened to Hewlett-Packard was an American multinational information technology company headquartered in Palo Alto, California.

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IEEE 754

The IEEE Standard for Floating-Point Arithmetic (IEEE 754) is a technical standard for floating-point computation established in 1985 by the Institute of Electrical and Electronics Engineers (IEEE).

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Instruction pipelining

Instruction pipelining is a technique for implementing instruction-level parallelism within a single processor.

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Instruction set architecture

An instruction set architecture (ISA) is an abstract model of a computer.

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Integer (computer science)

In computer science, an integer is a datum of integral data type, a data type that represents some range of mathematical integers.

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Intel

Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.

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Intellectual property

Intellectual property (IP) is a category of property that includes intangible creations of the human intellect, and primarily encompasses copyrights, patents, and trademarks.

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Itanium

Itanium is a family of 64-bit Intel microprocessors that implement the Intel Itanium architecture (formerly called IA-64).

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Jinan

Jinan, formerly romanized as Tsinan, is the capital of Shandong province in Eastern China.

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Joel Emer

Joel Emer is a pioneer in computer performance analysis techniques and a microprocessor architect.

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L4 microkernel family

L4 is a family of second-generation microkernels, generally used to implement Unix-like operating systems, but also used in a variety of other systems.

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Linux

Linux is a family of free and open-source software operating systems built around the Linux kernel.

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Logical conjunction

In logic, mathematics and linguistics, And (∧) is the truth-functional operator of logical conjunction; the and of a set of operands is true if and only if all of its operands are true.

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Logical disjunction

In logic and mathematics, or is the truth-functional operator of (inclusive) disjunction, also known as alternation; the or of a set of operands is true if and only if one or more of its operands is true.

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Logical NOR

In boolean logic, logical nor or joint denial is a truth-functional operator which produces a result that is the negation of logical or.

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Logical shift

In computer science, a logical shift is a bitwise operation that shifts all the bits of its operand.

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Massively parallel

In computing, massively parallel refers to the use of a large number of processors (or separate computers) to perform a set of coordinated computations in parallel (simultaneously).

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MDMX

The MDMX (MIPS Digital Media eXtension), also known as MaDMaX, is an extension to the MIPS architecture released in October 1996 at the Microprocessor Forum.

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Memory controller

The memory controller is a digital circuit that manages the flow of data going to and from the computer's main memory.

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Microprocessor

A microprocessor is a computer processor that incorporates the functions of a central processing unit on a single integrated circuit (IC), or at most a few integrated circuits.

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Microprocessor Report

Microprocessor Report, is a publication for engineers and other industry professionals on microprocessors.

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MIPS architecture

MIPS (an acronym for Microprocessor without Interlocked Pipeline Stages) is a reduced instruction set computer (RISC) instruction set architecture (ISA)Price, Charles (September 1995).

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Motherboard

A motherboard (sometimes alternatively known as the mainboard, system board, baseboard, planar board or logic board, or colloquially, a mobo) is the main printed circuit board (PCB) found in general purpose microcomputers and other expandable systems.

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MPEG-2

MPEG-2 (a.k.a. H.222/H.262 as defined by the ITU) is a standard for "the generic coding of moving pictures and associated audio information".

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Multi-core processor

A multi-core processor is a single computing component with two or more independent processing units called cores, which read and execute program instructions.

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Multimedia Acceleration eXtensions

The Multimedia Acceleration eXtensions or MAX are instruction set extensions to the Hewlett-Packard PA-RISC instruction set architecture (ISA).

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Multiprocessing

Multiprocessing is the use of two or more central processing units (CPUs) within a single computer system.

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NetApp

NetApp, Inc. is a hybrid cloud data services company headquartered in Sunnyvale, California.

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NetBSD

NetBSD is a free and open source Unix-like operating system that descends from Berkeley Software Distribution (BSD), a Research Unix derivative developed at the University of California, Berkeley.

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Network-attached storage

Network-attached storage (NAS) is a file-level computer data storage server connected to a computer network providing data access to a heterogeneous group of clients.

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OpenBSD

OpenBSD is a free and open-source Unix-like computer operating system descended from Berkeley Software Distribution (BSD), a Research Unix derivative developed at the University of California, Berkeley.

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OpenVMS

OpenVMS is a closed-source, proprietary computer operating system for use in general-purpose computing.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Original equipment manufacturer

An Original Equipment Manufacturer (OEM) is a company that produces parts and equipment that may be marketed by another manufacturer.

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Out-of-order execution

In computer engineering, out-of-order execution (or more formally dynamic execution) is a paradigm used in most high-performance central processing units to make use of instruction cycles that would otherwise be wasted.

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P5 (microarchitecture)

The first Pentium microprocessor was introduced by Intel on March 22, 1993.

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PA-RISC

PA-RISC is an instruction set architecture (ISA) developed by Hewlett-Packard.

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PALcode

In computing, in the Alpha instruction set architecture, PALcode (Privileged Architecture Library code) is the name used by DEC for a set of functions in the SRM or AlphaBIOS firmware, providing a hardware abstraction layer for system software, covering features such as cache management, translation lookaside buffer (TLB) miss handling, interrupt handling and exception handling.

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PDF

The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

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Personal computer

A personal computer (PC) is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use.

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Plan 9 from Bell Labs

Plan 9 from Bell Labs is a distributed operating system, originating in the Computing Sciences Research Center (CSRC) at Bell Labs in the mid-1980s, and building on UNIX concepts first developed there in the late 1960s; until the Labs' final release at the start of 2015.

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Predication (computer architecture)

In computer science, predication is an architectural feature that provides an alternative to conditional branch instructions.

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Price–performance ratio

In economics and engineering, the price–performance ratio refers to a product's ability to deliver performance, of any sort, for its price.

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Processor register

In computer architecture, a processor register is a quickly accessible location available to a computer's central processing unit (CPU).

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Program counter

The program counter (PC), commonly called the instruction pointer (IP) in Intel x86 and Itanium microprocessors, and sometimes called the instruction address register (IAR), the instruction counter, or just part of the instruction sequencer, is a processor register that indicates where a computer is in its program sequence.

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PS/2 port

The PS/2 port is a 6-pin mini-DIN connector used for connecting keyboards and mice to a PC compatible computer system.

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R2000 (microprocessor)

The R2000 is a 32 bit microprocessor chip set developed by MIPS Computer Systems that implemented the MIPS I instruction set architecture (ISA).

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Red Hat Linux

Red Hat Linux, assembled by the company Red Hat, was a widely used Linux distribution until its discontinuation in 2004.

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Reduced instruction set computer

A reduced instruction set computer, or RISC (pronounced 'risk'), is one whose instruction set architecture (ISA) allows it to have fewer cycles per instruction (CPI) than a complex instruction set computer (CISC).

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Samsung Electronics

Samsung Electronics Co., Ltd. (Korean: 삼성전자; Hanja: 三星電子 (Literally "tristar electronics")) is a South Korean multinational electronics company headquartered in Suwon, South Korea. Through having an extremely complicated ownership structure with some circular ownership, it is the flagship company of the Samsung Group, accounting for 70% of the group's revenue in 2012. Samsung Electronics has assembly plants and sales networks in 80 countries and employs around 308,745 people. It is the world's largest information technology company, consumer electronics maker and chipmaker by revenue. As of October 2017, Samsung Electronics' market cap stood at US$372.0 billion. Samsung has long been a major manufacturer of electronic components such as lithium-ion batteries, semiconductors, chips, flash memory and hard drive devices for clients such as Apple, Sony, HTC and Nokia. It is the world's largest manufacturer of mobile phones and smartphones, started with the original Samsung Solstice and later fueled by the popularity of its Samsung Galaxy line of devices. The company is also a major vendor of tablet computers, particularly its Android-powered Samsung Galaxy Tab collection, and is generally regarded as pioneering the phablet market through the Samsung Galaxy Note family of devices. Samsung has been the world's largest television manufacturer since 2006, and the world's largest manufacturer of mobile phones since 2011. It is also the world's largest memory chips manufacturer. In July 2017, Samsung Electronics overtook Intel as the largest semiconductor chip maker in the world. Samsung, like many other South Korean family-run chaebols, has been criticized for low dividend payouts and other governance practices that favor controlling shareholders at the expense of ordinary investors. In 2012, Kwon Oh-hyun was appointed the company's CEO but announced in October 2017 that he would resign in March 2018, citing an "unprecedented crisis".

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Semiconductor device fabrication

Semiconductor device fabrication is the process used to create the integrated circuits that are present in everyday electrical and electronic devices.

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Sheffer stroke

In Boolean functions and propositional calculus, the Sheffer stroke, named after Henry M. Sheffer, written ↑, also written | (not to be confused with "||", which is often used to represent disjunction), or Dpq (in Bocheński notation), denotes a logical operation that is equivalent to the negation of the conjunction operation, expressed in ordinary language as "not both".

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SIMD

Single instruction, multiple data (SIMD) is a class of parallel computers in Flynn's taxonomy.

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Simultaneous multithreading

Simultaneous multithreading (SMT) is a technique for improving the overall efficiency of superscalar CPUs with hardware multithreading.

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Single-board computer

A single-board computer (SBC) is a complete computer built on a single circuit board, with microprocessor(s), memory, input/output (I/O) and other features required of a functional computer.

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Software release life cycle

A software release life cycle is the sum of the stages of development and maturity for a piece of computer software: ranging from its initial development to its eventual release, and including updated versions of the released version to help improve software or fix software bugs still present in the software.

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SPARC

SPARC, for Scalable Processor Architecture, is a reduced instruction set computing (RISC) instruction set architecture (ISA) originally developed by Sun Microsystems.

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Standard Performance Evaluation Corporation

The Standard Performance Evaluation Corporation (SPEC) is an American non-profit organization that aims to "produce, establish, maintain and endorse a standardized set" of performance benchmarks for computers.

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Status register

A status register, flag register, or condition code register (CCR) is a collection of status flag bits for a processor.

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Sunway BlueLight

The Sunway BlueLight (神威蓝光) is a Chinese massively parallel supercomputer.

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Sunway TaihuLight

The Sunway TaihuLight (Shénwēi·tàihú zhī guāng) is a Chinese supercomputer which,, is ranked second in the TOP500 list, with a LINPACK benchmark rating of 93 petaflops.

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Superscalar processor

A superscalar processor is a CPU that implements a form of parallelism called instruction-level parallelism within a single processor.

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SUSE Linux

SUSE Linux is a computer operating system.

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Transaction processing

Transaction processing is information processing in computer science that is divided into individual, indivisible operations called transactions.

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Translation lookaside buffer

A translation lookaside buffer (TLB) is a memory cache that is used to reduce the time taken to access a user memory location.

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Tru64 UNIX

Tru64 UNIX is a discontinued 64-bit UNIX operating system for the Alpha instruction set architecture (ISA), currently owned by Hewlett-Packard (HP).

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TURBOchannel

TURBOchannel is an open computer bus developed by DEC by during the late 1980s and early 1990s.

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VAX

VAX is a discontinued instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC) in the mid-1970s.

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Vector processor

In computing, a vector processor or array processor is a central processing unit (CPU) that implements an instruction set containing instructions that operate on one-dimensional arrays of data called vectors, compared to scalar processors, whose instructions operate on single data items.

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Video Graphics Array

Video Graphics Array (VGA) is the display hardware first introduced with the IBM PS/2 line of computers in 1987, following CGA and EGA introduced in earlier IBM personal computers.

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Virtual address space

In computing, a virtual address space (VAS) or address space is the set of ranges of virtual addresses that an operating system makes available to a process.

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Visual Instruction Set

Visual Instruction Set, or VIS, is a SIMD instruction set extension for SPARC V9 microprocessors developed by Sun Microsystems.

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Vlasic Pickles

Vlasic Pickles is an American brand of pickles currently owned by Pinnacle Foods.

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VMEbus

VMEbus (Versa Module Europa bus) is a computer bus standard, originally developed for the Motorola 68000 line of CPUs, but later widely used for many applications and standardized by the IEC as ANSI/IEEE 1014-1987.

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Windows 2000

Windows 2000 (codenamed NT 5.0) is an operating system for use on both client and server computers.

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Windows NT

Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.

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Windows NT 4.0

Windows NT 4.0 is an operating system that is part of Microsoft's Windows NT family of operating systems.

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Word (computer architecture)

In computing, a word is the natural unit of data used by a particular processor design.

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Workstation

A workstation is a special computer designed for technical or scientific applications.

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Wuxi

Wuxi is a city in southern Jiangsu province, China.

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XNOR gate

The XNOR gate (often written Exclusive-NOR, sometimes: EXNOR, ENOR, NXOR, XAND) is a digital logic gate whose function is the logical complement of the exclusive OR (XOR) gate.

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ZDNet

ZDNet is a business technology news website published by CBS Interactive, along with TechRepublic.

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128-bit

While there are currently no mainstream general-purpose processors built to operate on 128-bit integers or addresses, a number of processors do have specialized ways to operate on 128-bit chunks of data.

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16-bit

16-bit microcomputers are computers in which 16-bit microprocessors were the norm.

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32-bit

32-bit microcomputers are computers in which 32-bit microprocessors are the norm.

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64-bit computing

In computer architecture, 64-bit computing is the use of processors that have datapath widths, integer size, and memory address widths of 64 bits (eight octets).

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8-bit

8-bit is also a generation of microcomputers in which 8-bit microprocessors were the norm.

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Redirects here:

ALPHA processor, Alpha (microprocessor), Alpha AXP, Alpha CPU, Alpha axp, Alpha chip, Alpha processor, DEC alpha, Dec Alpha, Dec alpha, Digital Alpha, Digital Equipment Corp. v. Intel, Digital Equipment Corp. vs. Intel, Motion Video Instructions.

References

[1] https://en.wikipedia.org/wiki/DEC_Alpha

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