1. Turing Machine - Wikipedia, The Free Encyclopedia A Turing machine is a theoretical device that manipulates symbols on a strip of tape according to a table of rules. Despite its simplicity, a Turing machine http://en.wikipedia.org/wiki/Turing_machine

Turing machine From Wikipedia, the free encyclopedia Jump to: navigation search For the test of artificial intelligence, see Turing test . For the instrumental rock band, see Turing Machine (band) Turing machine (s) Machina Universal Turing machine Quantum Turing machine Read-only Turing machine Read-only right moving Turing Machines ... Wolfram's 2-state 3-symbol.. Science Alan Turing Category:Turing machine This box: view talk edit An artistic representation of a Turing machine (Rules table not represented) A Turing machine is a theoretical device that manipulates symbols on a strip of tape according to a table of rules. Despite its simplicity, a Turing machine can be adapted to simulate the logic of any computer algorithm, and is particularly useful in explaining the functions of a CPU inside a computer. The "Turing" machine was described by Alan Turing in 1937, who called it an " a (utomatic)-machine". Turing machines are not intended as a practical computing technology, but rather as a thought experiment representing a computing machine. They help computer scientists understand the limits of mechanical computation. Turing gave a succinct definition of the experiment in his 1948 essay, "Intelligent Machinery". Referring to his 1936 publication, Turing wrote that the Turing machine, here called a Logical Computing Machine, consisted of:

2. Turing Machine - Scholarpedia Jan 25, 2010 A Turing machine refers to a hypothetical machine proposed by Alan M. Turing ( 19121954) in 1936 whose computations are intended to give an http://www.scholarpedia.org/article/Turing_machine

Turing machine From Scholarpedia Paul M.B. Vitanyi (2009), Scholarpedia, 4(3):6240. doi:10.4249/scholarpedia.6240 revision #66075 [ link to/cite this article Hosting and maintenance of this article is sponsored by Brain Corporation Curator: Dr. Paul M.B. Vitanyi, CWI and Computer Science, University of Amsterdam, The Netherlands Figure 1: Alan M. Turing in 1954 A Turing machine refers to a hypothetical machine proposed by Alan M. Turing (19121954) in 1936 whose computations are intended to give an operational and formal definition of the intuitive notion of computability in the discrete domain. It is a digital device and sufficiently simple to be amenable to theoretical analysis and sufficiently powerful to embrace everything in the discrete domain that is intuitively computable. As if that were not enough, in the theory of computation many major complexity classes can be easily characterized by an appropriately restricted Turing machine; notably the important classes P and NP and consequently the major question whether P equals NP. Turing gave a brilliant demonstration that everything that can be reasonably said to be computed by a human computer using a fixed procedure can be computed by such a machine. As Turing claimed, any process that can be naturally called an effective procedure is realized by a Turing machine. This is known as

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@import url("/css/jadetree.css"); @import url("/css/jadetree_print.css"); ( Select A Band ) Alkaline Trio Avail Breather Resist Cap'n Jazz Cex Challenger Cloak/Dagger Cub Country Damnation AD Denali Despistado Edsel Eggs Eidolon Ester Drang Euphone Four Walls Falling From Ashes Rise Fucked Up Fury Girls Against Boys Good Riddance Gravel Hot Water Music J Church Jets To Brazil Joan Of Arc Jones Very Juno Kid Dynamite Kill Your Idols Leslie Lifetime Lords Micah P. Hinson Miighty Flashlight Milemarker My Morning Jacket New End Original New Mexican Disaster Squad onelinedrawing Owls Paint It Black Pedro The Lion Pitchblende Railhed Snowden Songs: Ohia State Of The Nation Statistics Strike Anywhere Sweetbelly Freakdown Swiz Texas Is The Reason The Explosion The Loved Ones The Promise Ring These Arms Are Snakes Trial By Fire Turing Machine Turning Point Universal Order Of Armageddon Walleye Young Widows Zero Zero 1998 - Present Justin Chearno Guitar Scott Desimon Bass Jerry Fuchs Drums The Story The Jade Tree - Turing Machine Art-damaged and metronomically challenged, Pitchblende thwarted typical punk euphemisms for energy by making even the most angular riffing sound, well, funky. Jade Tree released a 7-inch single for the band in 1992, and then a split EP with Eggs a little over a year later. In between, Pitchblende left a three album legacy for Cargo/Matador, culminating with the utterly brilliant - though admittedly confusing - Gygax!

4. Turing Machine - Definition by ORWNO Read Related articles http://www.wordiq.com/definition/Turing_machine

Turing machine - Definition The Turing machine is an abstract machine introduced in by Alan Turing to give a mathematically precise definition of algorithm or 'mechanical procedure'. As such it is still widely used in theoretical computer science , especially in complexity theory and the theory of computation . The thesis that states that Turing machines indeed capture the informal notion of effective or mechanical method in logic and mathematics is known as the Church-Turing thesis The concept of the Turing machine is based on the idea of a person executing a well-defined procedure by changing the contents of an infinite amount of ordered paper sheets that can contain one of a finite set of symbols. The person needs to remember one of a finite set of states and the procedure is formulated in very basic steps in the form of "If your state is 42 and the symbol you see is a '0' then replace this with a '1', remember the state 17, and go to the following sheet." Turing machines shouldn't be confused with the Turing test , Turing's attempt to capture the notion of artificial intelligence A Turing machine that is able to simulate any other Turing machine is called a universal Turing machine or simply a universal machine as Turing described it in 1947: It can be shown that a single special machine of that type can be made to do the work of all. It could in fact be made to work as a model of any other machine. The special machine may be called the universal machine.

5. Turing Machine - Uncyclopedia, The Content-free Encyclopedia Oct 13, 2009 A Turing machine is any of several machines designed and built by Alan Turing during the Second World War; they were made from old http://uncyclopedia.wikia.com/wiki/Turing_machine

6. Universal Turing Machine: Facts, Discussion Forum, And Encyclopedia Article Computer science or computing science is the study of the theoretical foundations of information and computation, and of practical techniques for their implementation and http://www.absoluteastronomy.com/topics/Universal_Turing_machine

Home Discussion Topics Dictionary ... Login Universal Turing machine Universal Turing machine Topic Home Discussion Definition Overview In computer science Computer science Computer science or computing science is the study of the theoretical foundations of information and computation, and of practical techniques for their implementation and application in computer systems. It is frequently described as the systematic study of algorithmic processes that create,... , a universal Turing machine is a Turing machine Turing machine A Turing machine is a theoretical device that manipulates symbols contained on a strip of tape. Despite its simplicity, a Turing machine can be adapted to simulate the logic of any computer algorithm, and is particularly useful in explaining the functions of a CPU inside a computer. The "Turing"... that can simulate an arbitrary Turing machine on arbitrary input. The universal machine essentially achieves this by reading both the description of machine to be simulated as well as the input thereof from its own tape. Alan Turing Alan Turing Alan Mathison Turing, OBE, FRS , was an English mathematician, logician, cryptanalyst and computer scientist...

7. Category:Turing Machine - Wikipedia, The Free Encyclopedia Pages in category Turing machine . The following 25 pages are in this http://en.wikipedia.org/wiki/Category:Turing_machine

Category:Turing machine From Wikipedia, the free encyclopedia Jump to: navigation search Pages in category "Turing machine" The following 25 pages are in this category, out of 25 total. This list may not reflect recent changes ( learn more C Crossing sequence (Turing machines) L Langton's ant M Machine that always halts Multi-string Turing machine with input and output Multi-track Turing machine Multitape Turing machine ... Multitape turing machine N Non-deterministic Turing machine P Post–Turing machine P cont. Probabilistic Turing machine Q Quantum Turing machine R Read-only Turing machine Read-only right moving Turing Machines T Turing machine Turing machine equivalents Turing Machine simulator Turing completeness ... Turing machine examples T cont. Turing machine gallery Turing switch Turmite U Universal Turing machine W Wang B-machine Wolfram's 2-state 3-symbol Turing machine Z Zeno machine Retrieved from " http://en.wikipedia.org/wiki/Category:Turing_machine Categories Educational abstract machines Computational models ... English inventions Personal tools New features Log in / create account Namespaces Category Discussion Variants Views Read Edit View history Actions Search Navigation Main page Contents Featured content Current events ... Donate Interaction About Wikipedia Community portal Recent changes Contact Wikipedia ... Help Toolbox What links here Related changes Upload file Special pages ... Permanent link Print/export Create a book Download as PDF Printable version Languages Српски / Srpski This page was last modified on 5 March 2010 at 01:09.

8. Turing Machine - Wikipedia, The Free Encyclopedia A Turing machine is a theoretical device that manipulates symbols on a strip of tape according to a table of rules. Despite its simplicity, a Turing machine can be adapted to http://en.wikipedia.org/wiki/Turing_machines

Turing machine From Wikipedia, the free encyclopedia   (Redirected from Turing machines Jump to: navigation search For the test of artificial intelligence, see Turing test . For the instrumental rock band, see Turing Machine (band) Turing machine (s) Machina Universal Turing machine Quantum Turing machine Read-only Turing machine Read-only right moving Turing Machines ... Wolfram's 2-state 3-symbol.. Science Alan Turing Category:Turing machine This box: view talk edit An artistic representation of a Turing machine (Rules table not represented) A Turing machine is a theoretical device that manipulates symbols on a strip of tape according to a table of rules. Despite its simplicity, a Turing machine can be adapted to simulate the logic of any computer algorithm, and is particularly useful in explaining the functions of a CPU inside a computer. The "Turing" machine was described by Alan Turing in 1937, who called it an " a (utomatic)-machine". Turing machines are not intended as a practical computing technology, but rather as a thought experiment representing a computing machine. They help computer scientists understand the limits of mechanical computation.

9. Turing Machine - Simple English Wikipedia, The Free Encyclopedia Turing machine is a term from computer science. A Turing machine is a system http://de.wikipedia.org/wiki/Simple:Turing_machine

Turing machine From Wikipedia, the free encyclopedia Jump to: navigation search Turing machine is a term from computer science . A Turing machine is a system of rules, states and transitions rather than a real machine. It was first described by Alan Turing . There are two purposes of a Turing machine. Either it can be used to decide a formal language or it solves mathematical functions . Turing machines are one of the most important formal models in the study of computer science. Contents Common basics Turing machines that decide languages Turing machines that compute functions Impact of Turing machines ... change Common basics A Turing machine consists of the following components (simplified): A finite set of states (with one state marked as start state ; while running, a Turing machine always has a current state An infinite tape with storage cells and a read/write-device that can move on the tape A definition of a so-called transition function Furthermore a working- alphabet (set of characters) has to be defined. When a Turing machine is started, a word (out of the working-alphabet) must be present on the infinite tape of the machine. The read/write-device on the first character now reads the first character and depending on the current state of Turing machine the read/write-device overwrites the character with a new one or moves one cell to the left or to the right. Furthermore the current state of the machine can be switched. change Turing machines that decide languages A Turing machine is said to decide a language if it is always able to determine whether a given word is contained in a certain language or not. Therefore the machine usually has two special states marked as

10. Turing Machines And Computability A discussion of decision problems, Turing machines, noncomputable problems, Goedel numbering and the halting problem. http://www.augustana.ab.ca/~mohrj/courses/1998.fall/csc110/lecture_notes/turing_

COMPUTING SCIENCE 110 Introduction to Computing Science Turing Machines and Computability Computing Machines and Algorithms An algorithm is a computational process that takes a problem instance and in a finite amount of time produces a solution. . . . It is hard to make the definition of algorithm more precise except by saying that a computational process is anything that can be done by a program for a computing machine, and in that case one must accept that a human being with paper and pencil is a kind of computing machine. (Floyd and Beigel, The Language of Machines , Computer Science Press, W.H. Freeman, 1994, p. 444.) Computability and Decidability Problems which are intended to be solved by a computational process may be stated in a variety of ways: Decision Problems A decision problem is stated as a question with a "yes" or "no" answer, such as: Is the number 23171 prime? Does 2005 January 1 fall on a Friday? Is the list of names in the file ' clients.txt ' in sorted order? Does she love me? If the problem is stated as a Boolean statement - an assertion which is either true or false - we call the statement a predicate If there is an effective procedure for answering the question or evaluating the assertion, we say that the problem is

11. Kids.Net.Au - Encyclopedia > Turing Machine Kids.Net.Au is a search engine / portal for kids, children, parents, and teachers. The site offers a directory of child / kids safe websites, encyclopedia, dictionary, thesaurus http://encyclopedia.kids.net.au/page/tu/Turing_machine

Search the Internet with Kids.Net.Au Encyclopedia > Turing machine Article Content Turing machine The Turing machine is an abstract model of computer execution and storage introduced in by Alan Turing to give a mathematically precise definition of algorithm or 'mechanical procedure'. As such it is still widely used in theoretical computer science , especially in complexity theory and the theory of computation . The thesis that states that Turing machines indeed capture the informal notion of effective or mechanical method in logic and mathematics is known as the Church-Turing thesis Turing machines shouldn't be confused with the Turing test , Turing's attempt to capture the notion of artificial intelligence A Turing machine that is able to simulate any other Turing machine is called a universal Turing machine Table of contents showTocToggle("show","hide") 1 Definition 1.1 Example: 2 The Universal Turing Machine 3 A Physical Turing Machine ... 2 See also: Definition A Turing machine consists of: A tape which is divided into cells, one next to the other. Each cell contains a symbol from some finite alphabet. The alphabet contains a special

12. Turing Machine - Simple English Wikipedia, The Free Encyclopedia Turing machine is a term from computer science. A Turing machine is a system of rules, states and transitions rather than a real machine. It was first described by Alan Turing. http://simple.wikipedia.org/wiki/Turing_machine

Turing machine From Wikipedia, the free encyclopedia Jump to: navigation search Turing machine is a term from computer science . A Turing machine is a system of rules, states and transitions rather than a real machine. It was first described by Alan Turing . There are two purposes of a Turing machine. Either it can be used to decide a formal language or it solves mathematical functions . Turing machines are one of the most important formal models in the study of computer science. Contents Common basics Turing machines that decide languages Turing machines that compute functions Impact of Turing machines ... change Common basics A Turing machine consists of the following components (simplified): A finite set of states (with one state marked as start state ; while running, a Turing machine always has a current state An infinite tape with storage cells and a read/write-device that can move on the tape A definition of a so-called transition function Furthermore a working- alphabet (set of characters) has to be defined. When a Turing machine is started, a word (out of the working-alphabet) must be present on the infinite tape of the machine. The read/write-device on the first character now reads the first character and depending on the current state of Turing machine the read/write-device overwrites the character with a new one or moves one cell to the left or to the right. Furthermore the current state of the machine can be switched. change Turing machines that decide languages A Turing machine is said to decide a language if it is always able to determine whether a given word is contained in a certain language or not. Therefore the machine usually has two special states marked as

13. Turing Machine - Exampleproblems For Alan Turing's test devised to determine the quality of an artificial intelligence, see Turing test. Turing machines are extremely basic symbolmanipulating devices which—despite http://www.exampleproblems.com/wiki/index.php/Turing_machine

Turing machine From Exampleproblems Jump to: navigation search Image:Maquina.gif An artistic representation of a Turing Machine For Alan Turing's test devised to determine the quality of an artificial intelligence , see Turing test Turing machines computer that could possibly be constructed. The concept is derived from Alan Turing 's thought-experiment in about an infinite number of ordered sheets of paper, each containing one of a finite set of symbols, which could only be studied or modifed one sheet at a time. It is not generally practical to use a Turing machine to do any significant computation, but studying its abstract properties yields many insights in computer science and complexity theory A Turing machine that is able to simulate any other Turing machine is called a universal Turing machine (or simply a universal machine ). A more mathematically-oriented definition with a similar "universal" nature was introduced by Alonzo Church , whose work on lambda calculus intertwined with Turing's in a formal theory of computation known as the Church-Turing thesis . The thesis that states that Turing machines indeed capture the informal notion of effective method in logic and mathematics, and provide a precise definition of an

14. Universal Turing Machine - Wikipedia, The Free Encyclopedia In computer science, a universal Turing machine is a Turing machine that can simulate an arbitrary Turing machine on arbitrary input. The universal machine essentially achieves this http://en.wikipedia.org/wiki/Universal_Turing_machine

Universal Turing machine From Wikipedia, the free encyclopedia Jump to: navigation search Turing machine (s) Machina Universal Turing machine Quantum Turing machine Read-only Turing machine Read-only right moving Turing Machines Probabilistic Turing machine ... Wolfram's 2-state 3-symbol.. Science Alan Turing Category:Turing machine This box: view talk edit In computer science , a universal Turing machine is a Turing machine that can simulate an arbitrary Turing machine on arbitrary input. The universal machine essentially achieves this by reading both the description of machine to be simulated as well as the input thereof from its own tape. Alan Turing introduced this machine in 1936–1937. This model is considered by some (for example, Martin Davis (2000)) to be the origin of the stored program computer—used by John von Neumann (1946) for the "Electronic Computing Instrument" that now bears von Neumann's name: the von Neumann architecture . It is also known as universal computing machine universal machine machine U U In terms of computational complexity , a multi-tape universal Turing machine need only be slower by logarithmic factor compared to the machines it simulates.

15. Shane Brennan (turing_machine) On Twitter In principle, anything you can do with a programming language you can do with Turing Machine; in practice, programming Turing Machine isn t worth the http://twitter.com/turing_machine

Skip past navigation On a mobile phone? Check out m.twitter.com Skip to navigation Skip to sign in form Have an account? Sign in Username or email Password Remember me Forgot password? Forgot username? Already using Twitter on your phone? Get short, timely messages from Shane Brennan. Twitter is a rich source of instantly updated information. It's easy to stay updated on an incredibly wide variety of topics. Join today and follow @turing_machine Get updates via SMS by texting follow turing_machine to in the United States Codes for other countries Two-way (sending and receiving) short codes: Country Code For customers of Australia Telstra Canada (any) United Kingdom Vodafone, Orange, 3, O2 Indonesia AXIS, 3, Telkomsel Ireland India Bharti Airtel, Videocon Jordan Zain New Zealand Vodafone, Telecom NZ United States (any) jeervin I saw the best Java class name ever today.... "TechnicalDebtFactory" 12:27 PM Oct 20th via Nambu Retweeted by and 100+ others is up early on a Saturday morning to debug and profile a children's interactive website. What happened to cartoons in your PJs? 4:25 AM Oct 16th via web hsusannemoore hope that's the good kind of change. Best to you and yours.

16. Turing Machine - Wikipedia, The Free Encyclopedia The Turing machine is an abstract machine introduced in 1936 by Alan Turing to give a mathematically precise definition of algorithm or 'mechanical procedure'. http://www.faculty.umb.edu/gary_zabel/Courses/Bodies, Souls, and Robots/Texts/Tu

Turing machine From Wikipedia, the free encyclopedia. Artist's conception of a universal Turing machine. The Turing machine is an abstract machine introduced in by Alan Turing to give a mathematically precise definition of algorithm or 'mechanical procedure'. The concept is still widely used in theoretical computer science , especially in complexity theory and the theory of computation . The thesis that states that Turing machines indeed capture the informal notion of effective or mechanical method in logic and mathematics is known as the Church-Turing thesis The concept of the Turing machine is based on the idea of a person executing a well-defined procedure by changing the contents of an infinite number of ordered paper sheets that can contain one of a finite set of symbols. The person needs to remember one of a finite set of states and the procedure is formulated in very basic steps in the form of "If your state is 42 and the symbol you see is a '0' then replace this with a '1', remember the state 17, and go to the following sheet.". Turing machines shouldn't be confused with the Turing test , Turing's attempt to capture the notion of artificial intelligence A Turing machine that is able to simulate any other Turing machine is called a universal Turing machine or simply a universal machine as Turing described it in 1947: It can be shown that a single special machine of that type can be made to do the work of all. It could in fact be made to work as a model of any other machine. The special machine may be called the universal machine.

17. Wapedia - Wiki: Turing Machine A Turing machine is a theoretical device that manipulates symbols on a strip of tape according to a table of rules. Despite its simplicity, a Turing machine http://wapedia.mobi/en/Turing_machine

Wiki: Turing machine For the test of artificial intelligence, see Turing test . For the instrumental rock band, see Turing Machine (band) A Turing machine is a theoretical device that manipulates symbols on a strip of tape according to a table of rules. Despite its simplicity, a Turing machine can be adapted to simulate the logic of any computer algorithm, and is particularly useful in explaining the functions of a CPU inside a computer. The "Turing" machine was described by Alan Turing in 1937, who called it an " a (utomatic)-machine". Turing machines are not intended as a practical computing technology, but rather as a thought experiment representing a computing machine. They help computer scientists understand the limits of mechanical computation. An artistic representation of a Turing machine (Rules table not represented) Turing gave a succinct definition of the experiment in his 1948 essay, "Intelligent Machinery". Referring to his 1936 publication, Turing wrote that the Turing machine, here called a Logical Computing Machine, consisted of: ...an infinite memory capacity obtained in the form of an infinite tape marked out into squares, on each of which a symbol could be printed. At any moment there is one symbol in the machine; it is called the scanned symbol. The machine can alter the scanned symbol and its behavior is in part determined by that symbol, but the symbols on the tape elsewhere do not affect the behavior of the machine. However, the tape can be moved back and forth through the machine, this being one of the elementary operations of the machine. Any symbol on the tape may therefore eventually have an innings.

18. Turing Machine: Facts, Discussion Forum, And Encyclopedia Article A Turing machine is a theoretical device that manipulates symbols contained on a strip of tape. Despite its simplicity, a Turing machine can be adapted to simulate the logic of any http://www.absoluteastronomy.com/topics/Turing_machine

Home Discussion Topics Dictionary ... Login Turing machine Turing machine Topic Home Discussion Definition Discussion Ask a question about ' Turing machine Start a new discussion about ' Turing machine Answer questions from other users Full Discussion Forum Encyclopedia A Turing machine is a theoretical device that manipulates symbols contained on a strip of tape. Despite its simplicity, a Turing machine can be adapted to simulate the logic of any computer Computer A computer is a programmable machine that receives input, stores and manipulates data, and provides output in a useful format.Although mechanical examples of computers have existed through much of recorded human history, the first electronic computers were developed in the mid-20th century... algorithm, and is particularly useful in explaining the functions of a CPU inside a computer. The "Turing" machine was described by Alan Turing Alan Turing Alan Mathison Turing, OBE, FRS , was an English mathematician, logician, cryptanalyst and computer scientist... in 1937, who called it an "

19. Basics: The Turing Machine (with An Interpreter!) : Good Math, Bad Math As long as I'm doing all of these basics posts, I thought it would be worth explaining just what a Turing machine is. I frequently talk about things being Turing equivalent http://scienceblogs.com/goodmath/2007/02/basics_the_turing_machine_with_1.php

20. Turing_machine Encyclopedia Topics | Reference.com Encyclopedia article of turing_machine at Reference.com compiled from comprehensive and current sources. http://www.reference.com/browse/Turing_machine

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