The O in POST
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Open
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Off
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Order
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Of
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On
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O - No Meaning
Reveal answer
Fill a bubble to check yourself
E
Correct answer
Explanation
POST stands for "Power On Self Test," a diagnostic sequence that runs when a computer boots. The O represents "On," as in powering on the system to begin the diagnostic check.
AI explanation
POST stands for Power-On Self-Test, so the O stands for On. It's the diagnostic routine a computer's firmware runs automatically the moment power is switched on, checking hardware like RAM and the keyboard controller before the OS boots. Options like Open or Of don't fit the actual expansion of the term.