July 07th, 2024

What is HDD

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Akshat Gupta
3 years ago Selected
Hard disk drives, or HDDs in techno-language, have been in trend in the technology world for years. HDD was first introduced by IBM in 1956. This is almost 60 years old technology. Even vacuum tubes for TVs didn't last that long! An HDD uses magnetism to store data on a rotating platter.

The read/write part continues to move over the rotating platter, which is used to read and write. The faster the platter spins, the faster an HDD can function. Typical laptop drives today spin at either 5400 RPM (Revolutions Per Minute) or 7200RPM, although some server-based platters spin up to 15,000 RPM!
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