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Which startup process checks hardware components like RAM and keyboard before the operating system loads?

medium Q14 of 15
Computer Aptitude - Operating Systems
Which startup process checks hardware components like RAM and keyboard before the operating system loads?
AWarm boot
BCold boot
CPOST
DBoot loader
Step-by-Step Solution
  1. Step 1: Focus on hardware checking

    The question mentions checking RAM and keyboard.
  2. Step 2: Identify the correct startup process

    POST performs hardware diagnostics before OS loading.
  3. Final Answer:

    POST → Option C
  4. Quick Check:

    Hardware diagnostics before OS = POST ✅
Quick Trick: Hardware testing at startup = POST.
Common Mistakes:
  • Mixing POST with boot loader tasks.
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