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Central processing unit

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CPU (disambiguation) | Die of an Intel 80486DX2 microprocessor (actual size: 12×6.75 mm) in its packaging. | | Die | Intel 80486DX2 | computer programs | designing | transistor | mainframes | minicomputers | integrated circuit | nanometers | automobiles | cell phones | History of general purpose CPUs | EDVAC, one of the first electronic stored program computers. | | EDVAC | ENIAC | John von Neumann | First Draft of a Report on the EDVAC | computer memory | Konrad Zuse | Harvard architecture | Harvard Mark I | punched paper tape | digital | electrical relays | vacuum tubes | direct current | sequential logic | contact bounce | EDVAC | Harvard Mark I | clock rates | kHz | CPU, core memory, and external bus interface of a DEC PDP-8/I. made of medium-scale integrated circuits | | core memory | external bus | PDP-8 | transistor | vacuum tubes | electrical relays | printed circuit boards | integrated circuit | semiconductor | die | NOR gates | Apollo guidance computer | IBM | System/360 | microprogram | mainframe computer | zSeries | Digital Equipment Corporation | PDP-8 | PDP-11 | SIMD | vector processors | supercomputers | Cray Inc. | Microprocessor | The integrated circuit from an Intel 8742, an 8-bit microcontroller that includes a CPU running at 12 MHz, 128 bytes of RAM, 2048 bytes of EPROM, and I/O in the same chip. | | integrated circuit | Intel | CPU | RAM | EPROM | I/O | Intel 80486DX2 microprocessor in a ceramic PGA package. | | Intel 80486DX2 | PGA | microprocessor | Intel 4004 | Intel 8080 | computer architectures | personal computer | integrated circuits | capacitance | Moore's law | electromigration | subthreshold leakage | quantum computer | parallelism | computer memory | instruction | program counter | register | main memory | loops | functions | CPU cache | CPU design | Computer architecture | Digital circuits | decimal | numeral system | ternary | binary | voltage | MOS 6502 microprocessor in a dual in-line package, an extremely popular 8-bit design. | | MOS 6502 | dual in-line package | word size | 8-bit | octet | GiB | address space | paging | microcontrollers | System/370 | floating point | Clock rate | sequential logic | synchronous | square wave | period | clock gating | asynchronous CPUs | ARM | AMULET | MIPS | ALUs | embedded computers | Parallel computing | Model of a subscalar CPU. Notice that it takes fifteen cycles to complete three instructions. | | Instruction level parallelism | thread level parallelism | threads | Instruction pipelining | Superscalar | Basic five-stage pipeline.  In the best case scenario, this pipeline can sustain a completion rate of one instruction per cycle. | | instruction pipelining | Simple superscalar pipeline.  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M. | 2005 | 12-17 | 2007 | 10-06 | Digital Equipment Corporation | University of Manchester | ISBN 1-55860-329-8 | MIPS Technologies | 2005 | 12-19 | von Neumann, John | University of Pennsylvania | Ballistic Research Laboratories | (info) | Spoken Wikipedia | 2006 | 06-13 | Audio help | More spoken articles | This is a spoken version of the article. 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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Central processing unit".