QA, QC & Testing

Making The Unknown Known By Testing

When a product is not tested, it becomes difficult to verify whether the product will work as it's expected to. This can lead to all matter of consequences whereby the potential failure of the untested product could not only be costly financially but could also be fatal.

Consider the humble smoke alarm, arguably one of the greatest inventions of the modern era. Many lives have been saved by this simple box of electronics. Giving people the time to escape before a fire can really start to take hold.

Whilst the smoke alarm has been built to many quality standards. The humble smoke alarm is only effective if it actually works. If the battery is flat or the electronics become suspect then the effectiveness of this electronic gizmo is severely impacted.

If the smoke alarm can't detect the smoke from a fire then no alarm will be sounded and the chances of survival will be drastically reduced.

The majority of smoke alarms have a button which when pressed checks to see if the operation of the smoke alarm is satisfactory.

Normally a loud beep is sounded to indicate that the smoke alarm is working correctly. Ideally this should be checked at least once a week.

Pressing this button once a week, is a test. Without this test, the smoke alarms effectiveness cannot be guaranteed.

The effectiveness of a product cannot be guaranteed if it has not been tested.

Testing Is Verification

Any product which is to be marketed must be tested as its effectiveness needs to be verified. By merely building to the highest standards possible won't necessarily guarantee that the product will work as expected.

Summary

 • The effectiveness of a product cannot be guaranteed if it has not been tested.

 • Building to the highest standards doesn't guarantee that the product will work as expected.

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