In PC hardware terminology, when a hard disk crash occurs due to the read/write head physically touching or interfering with the spinning disk surface (for example, after being dropped), it is called head-to-disk interference (HDI). Is this statement true or false?

Difficulty: Easy

Correct Answer: True

Explanation:


Introduction / Context:
Magnetic hard drives are precision devices with heads flying microns above the platter surface. Any shock or failure that makes the head touch the platter can cause data loss or mechanical damage. This phenomenon has a specific technical name.


Given Data / Assumptions:

  • We are discussing a hard drive crash scenario.
  • The described event involves head-to-disk interference.


Concept / Approach:

The term for the read/write head making unwanted contact with the spinning disk surface is 'head crash' or 'head-to-disk interference (HDI).' Such contact can scratch platters and destroy data permanently. It often occurs after physical shock, contamination, or bearing failure.


Step-by-Step Solution:

Identify failure type: physical head contacts disk.Recall terminology: head-to-disk interference (HDI) or head crash.Confirm: the statement is correct.


Verification / Alternative check:

Industry white papers and drive manufacturer manuals explicitly use HDI to denote this catastrophic failure. Tech support logs confirm that drops often lead to head crashes.


Why Other Options Are Wrong:

  • False: incorrect because HDI is exactly the technical description.


Common Pitfalls:

  • Confusing logical 'crashes' (file system corruption) with mechanical head crashes.


Final Answer:

True.

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