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| Definition | : | Power-On Self-Test |
| Category | : | Computing » Hardware |
| Country/ Region |
: | Worldwide
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| Popularity | : |
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Power-On Self-Test (POST) refers to routines run immediately after power is applied, by nearly all electronic devices. The POST is a built-in diagnostic program that checks your hardware to ensure that everything is present and functioning properly, before the BIOS begins the actual boot.
The full form of POST is Power-On Self-Test