What does POST stand for?
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Printer Online Standard Test
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Power On Self Test
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Power Off Standard Test
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Preferred Operating System Timing
Reveal answer
Fill a bubble to check yourself
B
Correct answer
Explanation
POST (Power On Self Test) is the diagnostic sequence a computer's BIOS runs when it first powers up to verify that essential hardware components like CPU, memory, and video are functioning before booting the operating system. Option A incorrectly suggests a printer-related term, while C and D are fabricated acronyms.
AI explanation
POST stands for Power On Self Test — the diagnostic routine a computer's firmware runs immediately after power-up to check that core hardware (memory, CPU, basic devices) is functioning before handing off to the boot loader/OS. The other expansions are plausible-sounding but not real technical terms.