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      • Discs store digitally encoded video and audio information in pits -- spiral grooves that run from the center of the disc to its edges. A laser reads the other side of these pits -- the bumps -- to play the movie or program that is stored on the DVD. The more data that is contained on a disc, the smaller and more closely packed the pits must be.
      electronics.howstuffworks.com/blu-ray.htm
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  2. View full lesson: http://ed.ted.com/lessons/how-do-hard-drives-work-kanawat-senananThe modern hard drive is an object that can likely hold more information t...

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  3. Dec 22, 2022 · Data storage has truly evolved to incredible densities over the past 6 decades, and in this video, we're going to see how exactly a Hard Disk Drive stores data, how it reads and writes data,...

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  4. Apr 30, 2024 · A hard disk drive is a data storage device that uses one or more rigid rapidly rotating disks coated with magnetic material to retrieve and store data. Hard disks do one thing well — they provide storage space for data and operating systems. They also give computers the ability to remember things when the power goes out.

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  5. DiSC is an acronym that stands for the four main personality profiles described in the DiSC model: (D)ominance, (i)nfluence, (S)teadiness and (C)onscientiousness. People with D personalities tend to be confident and place an emphasis on accomplishing bottom-line results.

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    You might like these other articles on our site covering related topics: 1. Computer memory (general, RAM, ROM, etc) 2. Flash memory 3. Magnetism

    If you enjoy technical detail, these are worth a look: 1. US Patent 3,503,060: Direct access magnetic disc storage deviceby William Goddard and John Lynott, IBM Corporation, March 24, 1970. This is IBM's original, pioneering "DASD" disk storage device, developed continuously between the 1950s and the late 1960s (when it was finally patented). Remem...

  6. Everything DiSC ® is a personal development learning experience that measures an individual’s preferences and tendencies based on the DiSC ® model. But, what is the DiSC model? What is the science behind it? How does it work?

  7. Oct 25, 2000 · Going from tape to disc gave the home theater experience a major upgrade, and ushered in an era of feature-packed special edition home video. In this article, you will learn what a DVD is made of, how a DVD player reads a disc, a little DVD history and much more.

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