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Dear Yahoo!:
Why is it called "beta" testing? Did it go through "alpha" testing first?
Rex
Tulsa, Oklahoma
Dear Rex:
Before a company releases a computer program to the public, it has to go through testing. Both alpha and beta testing are key phases of the product's development, helping make sure it works properly.

How did the names originate? In the 1960s, IBM decided to call their tests "alpha" (the first letter of the Greek alphabet) and "beta" (the second letter). The alpha test was done on the unit's parts, and the subsequent beta test was done on the unit's operating system.

The names have stuck, but their meanings have changed. Today, an alpha test refers to the first test on the initial version of a product, often done by company employees. The product is usually unstable, but it gives developers a preview of the finished version.

The next test, the beta test, is done by a limited number of outsiders. The software is much more functional, but still contains plenty of errors that developers fix with the testers' feedback. After debugging and polishing, the product is finally ready to be released to the public.

Some beta tests are distributed on the Web to give the program some "real-world" exposure. If you want in on the action, check out Beta News for articles and downloads. The programs may be a little buggy, but, hey, at least you get them first.

 
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