Usually means: Initial system check at startup.
Definitions Related words Mentions
We found 6 dictionaries that define the word Power-on self-test:

General (2 matching dictionaries)
  1. power-on self-test: Dictionary.com
  2. Power-on self-test: Wikipedia, the Free Encyclopedia

Computing (3 matching dictionaries)
  1. power-on self-test: Free On-line Dictionary of Computing
  2. power-on self-test, Power-on self-test: Encyclopedia

Medicine (1 matching dictionary)
  1. online medical dictionary (No longer online)

Definitions from Wikipedia (Power-on self-test)

noun:  A power-on self-test is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on.


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