stands for Power-On Self-Test. It is a term related to Computing & Software, Useful Terms and Definitions which we use in daily life but we do not know their full name, Here’s a list of important abbreviations that you should know.
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What is full form of Post?
The full form of Post is the Power-On Self-Test. The power-on self-test is a process performed by firmware or software routines immediately after a computer or other digital electronic device is turned on.
POST results can be displayed on a dashboard that is part of the device, sent to an external device, or stored for future retrieval using a diagnostic tool.
Here you learn the full name and complete information of Power-On Self-Test, if you have questions and answers related to Post, then tell us your thoughts in the comment, know the complete meaning of Post in this article.
When the power is turned on, POST (Power On Self Test) is the diagnostic test sequence that a computer’s basic input / output system (or “startup program”) runs to determine if the computer keyboard, memory Random access devices, disk drives, and other hardware are working properly.
check CPU registers.
Check the integrity of the BIOS code itself. Check some basic components like DMA, timer, interrupt controller.
find, size and verify the main memory of the system.
pass control to other specialized extension BIOS (if installed)
The role of POST in the startup process
A power-on self-test is the first step in the startup sequence. A power-on self-test verifies that basic system devices are present and working properly, such as the keyboard and other peripheral devices, and other hardware such as the processor, storage devices, and memory.