Power-On Self Test

Power-on Self Test (POST) is the common term for a computer's pre-boot sequence. Though the same basic sequence is present on all computer architectures, it may go by different names such as Initial Program Load (IPL), booting, or bootstrapping. The term POST, however, has become popular in association with and as a result of the proliferation of the PC. It can be used as a noun when referring to the code that controls the pre-boot phase or when referring to the phase itself. It can also be used as a verb when referring to the code or the system as it progresses through the pre-boot phase. Alternatively this may be called “POSTing”.

Related Topics:
Initial Program Load - Booting - Bootstrapping - PC - Code

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