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A developer wants to optimize a program that reads data frequently. Which storage device should they choose and why?

hard🚀 Application Q9 of Q15
Intro to Computing - How Hardware Works
A developer wants to optimize a program that reads data frequently. Which storage device should they choose and why?
AHDD, because it has faster sequential read speeds
BSSD, because it has spinning disks
CHDD, because it uses flash memory
DSSD, because it has faster random access speeds
Step-by-Step Solution
Solution:

  1. Step 1: Understand read patterns

    Frequent reads often involve random access to data.

  2. Step 2: Compare device speeds

    SSDs excel at random access due to no moving parts; HDDs are slower.

  3. Step 3: Eliminate incorrect options

    HDDs do not use flash memory; SSDs have no spinning disks.

  4. Final Answer:

    SSD, because it has faster random access speeds -> Option D

  5. Quick Check:

    Random access speed = SSD advantage [OK]
Quick Trick: SSDs are best for fast random reads [OK]
Common Mistakes:
MISTAKES
  • Assuming HDDs use flash memory
  • Confusing sequential and random speeds
  • Thinking SSDs have spinning disks

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