Optical drive and HDD are the examples of storage devices that have a spinning disk among the given options. A spinning disk is a component of a storage device that rotates at high speed to store and access data on its surface. A spinning disk is usually made of metal, glass, or plastic and coated with a magnetic material. A spinning disk has one or more read/write heads that move across the disk to read or write data on concentric tracks or sectors. An optical drive is a storage device that uses laser beams to read or write data on optical discs, such as CDs, DVDs, or Blu-ray discs. An HDD (hard disk drive) is a storage device that uses magnetic fields to read or write data on hard disks. References : The Official CompTIA IT Fundamentals (ITF+) Study Guide (FC0-U61), page 38-39.
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