Geeks With Blogs
Devankur's Collage : Potpourri of IT Management, Technology, Global Delivery, Testing and ADM "It ain't braggin' if you can do it."-Dizzy Dean, 1930's baseball player June 2004 Entries
Pokayoke (Fool proofing or failsafing mechanisms)
Pokayoke is infact a simple concept which explains the use of simple mechanisms that stop mistakes being made by manufacturing operators without requiring concentration by the operators. The term “PokaYoke” was popularised by Shigeo Shingo through his book “Zero Quality Control: Source Inspection and the PokaYoke System”. Shingo points out that mistakes will always be made, but if PokaYoke’s are implemented then mistakes can be prevented from becoming defects. By eliminating ......

Posted On Wednesday, June 23, 2004 6:31 AM


OpenSTA seems to be interesting, it's an Open source tool for Performance Testing:

The User Guide is available at:


Posted On Tuesday, June 15, 2004 3:44 AM

Orthogonal Arrays
Last February, I attended a tutorial conducted by Lee Copeland. Lee explained the concept of using orthogonal arrays for test designs. This indeed is a good way of making sure most of the test combinations are at least tested once. I just want to know a bit more on the subject. Following are a few articles on the net on this subject: ......

Posted On Thursday, June 10, 2004 10:42 AM

Efficiency Vs Effectiveness
(I came across the following write-up on a discussion thread in one of the testing forums and am posting it here. Unfortunately, I forgot the name of the original contributor of the following piece) The primary difference:Efficiency - productivity metric and Effectiveness - quality metric! Efficiency is a productivity metrics meaning how fast one can do something. Hence Testing efficiency metric can be "No. of test cases executed per hour or per person day". This explains how efficient (i.e. fast) ......

Posted On Wednesday, June 9, 2004 7:38 AM

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