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Which of the following is true about HDDs compared to SSDs?

easy🧠 Conceptual Q11 of Q15
Intro to Computing - How Hardware Works
Which of the following is true about HDDs compared to SSDs?
AHDDs have moving parts and are generally slower than SSDs.
BHDDs use flash memory and are faster than SSDs.
CHDDs are more expensive than SSDs for the same storage size.
DHDDs do not store data when the power is off.
Step-by-Step Solution
Solution:

  1. Step 1: Understand HDD technology

    HDDs use spinning disks and mechanical parts to read/write data, which makes them slower.

  2. Step 2: Compare with SSDs

    SSDs use flash memory with no moving parts, making them faster and more durable.

  3. Final Answer:

    HDDs have moving parts and are generally slower than SSDs. -> Option A

  4. Quick Check:

    HDD = slower with moving parts [OK]
Quick Trick: Remember: HDDs spin, SSDs flash [OK]
Common Mistakes:
MISTAKES
  • Confusing HDDs as faster than SSDs
  • Thinking HDDs use flash memory
  • Believing HDDs lose data when powered off

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