Results 81 to 90 of about 1,568 (209)

A Generating Distorted CAPTCHA Images Using a Machine Learning Algorithm

open access: yesIraqi Journal for Computer Science and Mathematics
 CAPTCHAs (Completely Automated Public Turing Test to Tell Computers and Humans Apart) have become universal in web security systems to differentiate between automated bots and human users.
Saba Abdulbaqi Salman   +2 more
doaj   +1 more source

Two railway circuits: a universal circuit and an NP-difficult one [PDF]

open access: yesComputer Science Journal of Moldova, 2001
In this paper, first we construct a railway circuit based on three types of switches and on crossings. Such a circuit is able to simulate the computation of any Turing machine, in particular of a universal one. That result was proved by Ian Stewart in [3]
Maurice Margenstern
doaj  

A Physically Universal Turing Machine [PDF]

open access: green, 2020
Ville Salo, Ilkka Törmä
openalex   +1 more source

Evolution: The Computer Systems Engineer Designing Minds [PDF]

open access: yesAvant, 2011
What we have learnt in the last six or seven decades about virtual machinery, as a result of a great deal of science and technology, enables us to offer Darwin a new defence against critics who argued that only physical form, not mental capabilities and ...
Aaron Sloman
doaj  

On quasi-unilateral universal Turing machines

open access: yesTheoretical Computer Science, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
openaire   +1 more source

Universal One-Dimensional Cellular Automata Derived for Turing Machines and its Dynamical Behaviour [PDF]

open access: green, 2019
Sergio J. Martínez   +3 more
openalex   +1 more source

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