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Topic: Central-Processing-Unit

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Central processing unit - Wikipedia, the free encyclopedia The phrase "central processing unit" is, in general terms, a description of a certain class of logic machines that can execute complex computer programs. A central processing unit (CPU), or sometimes simply processor, is the component in a digital computer that interprets instructions and processes data contained in software. CPUs provide the fundamental digital computer trait of programmability, and are one of the core components found in almost all modern microcomputers, along with primary storage and input/output facilities. en.wikipedia.org /wiki/Processors   (6964 words)

Processor - Wikipedia, the free encyclopedia Central processing unit, the part of a computer that interprets instructions. Audio processor, used in studios and radio stations. en.wikipedia.org /wiki/Processor   (103 words)

Central Processing Unit - MSN Encarta The theoretical limit for transistor size using this type of manufacturing process is approximately equal to the wavelength of the light used to expose the light-sensitive covering. In the first computers, CPUs were made of vacuum tubes and electric relays rather than microscopic transistors on computer chips. Between 1946 and 1956 all computers had bulky CPUs that consumed massive amounts of energy and needed continual maintenance, because the vacuum tubes burned out frequently and had to be replaced. encarta.msn.com /encyclopedia_761556091_2/Central_Processing_Unit.html   (1036 words)

Central Processing Unit - Wikipedia The term is often used vaguely to include other centrally important parts of a computer such as storage and input/output control, especially in computers with modern microprocessor chips that include several of these functions in one physical semiconductor chip. In many computers, this is further divided into a control unit that handles program flow and an arithmetic and logical unit that performs operations on data. Often abbreviated "CPU", this is the part of a computer that interprets and performs the instructions given to it by software. nostalgia.wikipedia.org /wiki/CPU   (130 words)

Central Processing Unit - NerdyPC The CPU (Central Processing Unit), also known as the processor, is the most important hardware part of a modern computer. CPUs are microprocessors which execute instructions contained in software, such as logical operations or arithmetic operations. CPUs can be divided in categories based on their architecture. nerdypc.wikinerds.org /index.php/Central_Processing_Unit   (256 words)

Central Processing Unit Summary - Central Processing Unit Information The central processing unit is composed of several internal components needed to retrieve, store, and calculate data in a controlled fashion. The smallest memory components are generally placed the closest to central processing components in order to optimize performance for the majority of processing operations. The CPU, therefore, functions as the heart of the computer, facilitating all data processing activity. www.bookrags.com /sciences/computerscience/central-processing-unit-csci-02.html   (1056 words)

Glossary of Terms Central Processing Unit (CPU) - The main part of the computer, its 'brain', consisting of the central memory, arithmetic logic unit and control unit. Memory Unit - Part of the computer where data and instructions are held. The Control Unit accesses this register to decide which circuits need to be activated. www.geocities.com /cfleri/glossary.html   (544 words)

PIC microcontrollers : chapter 2 - Microcontroller PIC16F84 Central processing unit (CPU) is the brain of a microcontroller. Central processing unit connects all parts of the microcontroller into one whole. Instruction thus fetched from program memory must be decoded by a central processing unit. www.mikroelektronika.co.yu /english/product/books/PICbook/2_04chapter.htm   (700 words)

Central Processing Unit (CPU) The Central Processing Unit (CPU) is the brain of the computer. The complete CPU usually contains a core processor with two or more pipelines, a dedicated arithmatic logic unit (ALU, also called the math co-processor), and special high-speed memory in some cases for caching program instructions from RAM. The CPU is composed of logic gates that accept input, process it and produce output. www.inetdaemon.com /tutorials/computers/hardware/cpu   (334 words)

Central Processing Unit CPU history starts in 1971, when a small unknown company, Intel, for the first time combined multiple transistors to form a central processing unit - a chip called Intel 4004. It is central, because it is the center of PC data processing. The CPUs are processed using CMOS technology with smaller and smaller "wires". jj0682.freeservers.com /SLD002.HTM   (4594 words)

Central Processing Unit It is worth noting here that the only operations that the CPU can carry out are simple arithmetic operations, comparisons between the result of a calculation and other values, and the selection of the next instruction for processing. At the time of writing, the CPU of a typical PC is capable of executing many tens of millions of instructions per second. In addition to computation the CPU controls and co-ordinates the operation of the other major components. www.cee.hw.ac.uk /~pjbk/pathways/cpp1/node8.html   (219 words)

Central Processing Unit - CPU Also known as a processor or microprocessor the CPU was first developed by Intel in 1974 and is short for Central Processing Unit. The computer CPU is responsible for handling all instructions and calculation it receives from other hardware components in the computer and software programs running on the computer. Additional information and help with computer processors can also be found on our CPU help page. www.computerhope.com /jargon/c/cpu.htm   (164 words)

Central Processing Unit As you might expect from its name, the central processing unit is the heart of the computer and this is where all the computing is done. For word processing, especially at my speed of typing, it does not make very much difference, but when working with a graphics program where the computer has to do some very heavy calculating, a high clock speed is essential. These switches are controlled by a low voltage that switches the transistor off, and a higher one that switches it on. scs.une.edu.au /EDIT312/competencies/Resources/BasicOps/CPU.html   (2042 words)

CCI Dictionary Definition Units within the CPU perform arithmetic and logical operations and decode and execute instructions. The CPU controls the operation of a computer. In microcomputers, the entire CPU is on a single chip. www.computeruser.com /resources/dictionary/secondary_definition.php?lookup=32   (32 words)

The Central Processing Unit The control unit decodes the instruction and directs that the necessary data be moved from memory to the ALU. Before the CPU can execute a program, program instructions and data must be placed into memory from an input device or storage device. Regardless of the design and processing strategy of a computer, its goal is the same: to turn raw data into useful information. www.farmingdale.edu /~sapirr/bcs191/Caprch3.html   (812 words)

Central Processing Unit The microprocessor-- also known as a CPU or central processing unit -- is a complete computation engine that is fabricated on a single chip. It interprets the instructions fetched into the computer, determines what data, if any, are needed, where it is stored, where to store the results of the operation, and sends the control signals to the devices involved in the execution of the instructions. The control unit directs and controls the activities of the internal and external devices. webinstituteforteachers.org /~dmoore/IntroBasicWebDesign/cpu.htm   (1034 words)

Reference.com/Encyclopedia/Central processing unit The central processing unit (CPU) is the part of a computer that interprets and carries out the instructions contained in the software. The term "CPU" often refers—imprecisely—to other centrally important parts of a computer, such as caches and input/output controllers, especially when those functions exist on the same microprocessor chip as the CPU. A control unit that directs program flow and www.reference.com /browse/wiki/Central_processing_unit   (451 words)

Central Processing Unit [encyclopedia] Modern computers put the ALU and control unit into a single integrated circuit known as the Central Processing Unit or CPU. The central processing unit (CPU) coordinates the operation of the machine. Once that occurs, the control unit goes to the next instruction (typically located in the next slot, unless the instruction is a jump instruction informing the computer that the next instruction is located elsewhere). www.kosmoi.com /Computer/Hardware/CPU   (668 words)

CENTRAL PROCESSING UNIT The Central Processing Unit, or CPU, is the brains of the computer. Anyway, notice the "wires" leading from away from each "pin." The pins on the CPU are in contact with those silverish things sticking out of the back of the board, and little goldish wires, embedded in the motherboard, connect each one to another area on the board. The wires are like highways, each carrying "bits" (similar to cars with on/off switches on them) to a specific destination. users.adelphia.net /~nvnohi/computers/cpu/cpu.html   (277 words)

Central Processing Unit, Understanding the methods of processing data and the function of each of these units is helpful in attaining a clear understanding of the information processing environment. The capacity of the computer's primary storage is often used as a yardstick to measure the computer's processing power. The CPU supervises and controls the arithmetic, logic, and transfer functions. www.il.pw.edu.pl /~vine/inf/03.htm   (5504 words)

central processing unit Designs vary widely but, in general, the CPU consists of the control unit, the arithmetic and logic unit (ALU) and memory (registers, cache, RAM and ROM) as well as various temporary buffers and other logic. The control unit fetches instructions from memory and decodes them to produce signals which control the other part of the computer. The term "processor" has to some extent replaced "CPU", though RAM and ROM are not normally considered as part of a processor. burks.bton.ac.uk /burks/foldoc/40/18.htm   (174 words)

central processing unit The relationship between the three main areas of a computer& central processing unit. The arithmetic and logic unit (ALU) does the arithmetic, using the registers to store intermediate results, supervised by the control unit. Input and output circuits connect the ALU to external memory, input, and output devices. www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0005787.html   (264 words)

Central Processing Unit The current standard for CPU’s is the Pentium 200 w/MMX. This is the main chip that performs the operations of the computer. Intel Corporation is the leading manufacturer of CPU chips. www.sabine.k12.la.us /syshelp/compres/sld012.htm   (49 words)

cpu - internet resources (central processing unit) CPU Central tracks the 'high end' CPU industry, aka the PC and desktop. This list is not intended to be an exhaustive compilation of microprocessors, but rather a description of designs that are either unique (such as the RCA 1802, Acorn ARM, or INMOS Transputer), or representative designs typical of the period (such as the 6502 or 8080, 68000, and R2000). Now, as AMD takes the speed lead in PCs with the Athlon processor, AMD Zone continues its fight to help AMD as well as provide an array of resources for AMD owners, from news, articles, features, bulletin boards, reviews, and more. www.eg3.com /WebID/chips/cpu/blank/overview/a-z.htm   (262 words)

central processing unit or CPU If purchasing a personal computer the "processor" or "CPU" (abbreviation for Central Processing Unit) will have a significant factor towards the cost of your computer system-- the newer and more powerful the CPU, the more expensive the computer system will be. The rate of speed that the processor executes commands is measured by clock speed, or often called MHz (megahertz). For example, the CPU runs the operating system, the software programs installed on your computer, and device peripherals such as printers and flatbed scanners. www.abilityhub.com /information/cpu.htm   (230 words)

What is CPU? - A Word Definition From the Webopedia Computer Dictionary Abbreviation of central processing unit, and pronounced as separate letters. The control unit (CU), which extracts instructions from memory and decodes and executes them, calling on the ALU when necessary. Sometimes referred to simply as the processor or central processor, the CPU is where most calculations take place. www.webopedia.com /TERM/C/CPU.html   (735 words)

Define CPU - a definition from Whatis.com - see also: , central processing unit CPU (central processing unit) is an older term for processor and microprocessor, the central unit in a computer containing the logic circuitry that performs the instructions of a computer's programs. Define CPU - a definition from Whatis.com - see also:, central processing unit Note: Email addresses will only be used to send site whatis.techtarget.com /definition/0,,sid9_gci213867,00.html   (97 words)

Central processing unit (CPU) each CPU has a pre-determined set of instructions which it can execute; typical instructions might include "add some numbers", "get some information from memory", etc. • the control unit (used to "direct traffic") www.willamette.edu /~fruehr/231old/lectures/hardware1.html   (150 words)

Central Processing Unit The Central Processing Unit (CPU) is the only portion of the computer that can perform binary arithmetic. This binary arithmetic work that the CPU performs for all of the other components is called processing. Everything else that is going on in the computer system boils down to binary arithmetic that the CPU must do. www.calvin.edu /academic/rit/webBook/chapter2/design/hardware/cpu   (216 words)

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