Cyclic Redundancy Check Error Detection Simulation

written by Crystal Barchet and Teresa Carrigan


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HOW TO USE IT

The setup button generates a random message and selects a random generator.

The slow-motion slider is an easy way to adjust the speed of the demonstration. Set it to zero if you want to just see the answer quickly. 0.2 is a good setting for most purposes.

The step button does whatever step comes next, and then stops so you can take notes.

The go button finishes the entire problem, at a speed set by the slow-motion slider.

The show-again button starts the exact problem from the beginning. You may then click either the step button or the go button to see the same demonstration.

The quiz button generates a random problem and then asks you to determine the answer. Please note that you can use the show-again button after a quiz to see all the steps in getting the correct answer.


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Applets on this website were written by Teresa Carrigan in 2004, for use in computer science courses at Blackburn College, with the exception of the Fireworks applet. The applets made with NetLogo require Java 1.4.1 or higher to run. The applets made with NetBeans require Java 1.4.2 or higher to run. Applets might not run on Windows 95 or Mac OS 8 or 9. You may obtain the latest Java plugin from Sun's Java site.