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File:Turnstile state machine colored.svg

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Original file(SVG file, nominally 790 × 343 pixels, file size: 13 KB)

Summary

Description
English: Transition diagram for a finite state machine modeling a turnstile, a common introductory example used to explain state machines. The turnstile has two states, Locked and Unlocked. There are two inputs effecting the state: depositing a coin in the turnstile, coin, and pushing on the turnstile's bar, push. The turnstile bar is initially locked, and pushing on it has no effect. Putting a coin in changes the state to Unlocked unlocking the bar so it can turn. A customer pushing through the turnstile changes the state back to Locked so additional customers can't get through until another coin is deposited. The arrow into the Locked node from the black dot indicates it is the initial state.
Date
Source Own work
Author Chetvorno

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Date/TimeThumbnailDimensionsUserComment
current03:07, 15 July 2012Thumbnail for version as of 03:07, 15 July 2012790 × 343 (13 KB)Chetvorno
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