About: Von Neumann architecture

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The von Neumann architecture — also known as the von Neumann model or Princeton architecture — is a computer architecture based on a 1945 description by John von Neumann and others in the First Draft of a Report on the EDVAC. That document describes a design architecture for an electronic digital computer with these components: * A processing unit that contains an arithmetic logic unit and processor registers * A control unit that contains an instruction register and program counter * Memory that stores data and instructions * External mass storage * Input and output mechanisms

Attributes	Values
rdf:type	Thing company
rdfs:label	Von Neumann architecture (en)
rdfs:comment	The von Neumann architecture — also known as the von Neumann model or Princeton architecture — is a computer architecture based on a 1945 description by John von Neumann and others in the First Draft of a Report on the EDVAC. That document describes a design architecture for an electronic digital computer with these components: * A processing unit that contains an arithmetic logic unit and processor registers * A control unit that contains an instruction register and program counter * Memory that stores data and instructions * External mass storage * Input and output mechanisms (en)
rdfs:seeAlso	Stored-program computer
sameAs	Von Neumann architecture Von Neumann architecture
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Subject	Classes of computers Computer-related introductions in 1945 Computer architecture Department of Computer Science, University of Manchester Reference models Flynn's taxonomy John von Neumann
gold:hypernym	Architecture
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Von_Neumann_architecture?oldid=1070172371&ns=0
Wikipage page ID	478091 (xsd:integer)
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Wikipage revision ID	1070172371 (xsd:integer)
has abstract	The von Neumann architecture — also known as the von Neumann model or Princeton architecture — is a computer architecture based on a 1945 description by John von Neumann and others in the First Draft of a Report on the EDVAC. That document describes a design architecture for an electronic digital computer with these components: * A processing unit that contains an arithmetic logic unit and processor registers * A control unit that contains an instruction register and program counter * Memory that stores data and instructions * External mass storage * Input and output mechanisms The term "von Neumann architecture" has evolved to mean any stored-program computer in which an instruction fetch and a data operation cannot occur at the same time because they share a common bus. This is referred to as the , and often limits the performance of the system. The design of a von Neumann architecture machine is simpler than a Harvard architecture machine—which is also a stored-program system but has one dedicated set of address and data buses for reading and writing to memory, and another set of address and data buses to fetch instructions. A stored-program digital computer keeps both program instructions and data in read–write, random-access memory (RAM). Stored-program computers were an advancement over the program-controlled computers of the 1940s, such as the Colossus and the ENIAC. Those were programmed by setting switches and inserting patch cables to route data and control signals between various functional units. The vast majority of modern computers use the same memory for both data and program instructions, but have caches between the CPU and memory, and, for the caches closest to the CPU, have separate caches for instructions and data, so that most instruction and data fetches use separate buses (split cache architecture). (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Von_Neumann_architecture
is Wikipage redirect of	Non-von Neumann architecture Von Neuman architecture Von Neumann Architecture Von Neumann bottleneck Von neumann architecture Non-Von Neumann architecture Van Neuman architecture Van Neumann architecture Stored-program architecture Stored program concept Neumann architecture Princeton architecture Von Neumann Model Von Neumann computer Von Neumann computer architecture Von Neumann model Von Neumann style
is Link from a Wikipage to another Wikipage of	Florida Automatic Computer Flow chart language List of things named after John von Neumann List of vacuum-tube computers Little man computer Machine code NX bit Non-uniform memory access Non-von Neumann architecture NuoDB ORDVAC 1937 in science 1945 1945 in science 2011 in science AI accelerator ARM7 ARM9 ARM Cortex-M Addressing mode Agent-based model Alan Turing Arbitrary code execution Artificial neural network Assignment (computer science) Atanasoff–Berry computer Atmel ARM-based processors Autonomous robot Back-side bus Bashir Rameev Berkeley IRAM project Billiard-ball computer Blackfin Non-Von Neumann architecture Bottleneck CALDIC CPU cache Cause and Effect (Star Trek: The Next Generation) Cellular automaton Cellular neural network Central processing unit Freescale RS08 Gigatron TTL Glossary of reconfigurable computing Jack Dennis

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