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2. Category:Rotating disc computer storage media - Wikipedia

   en.wikipedia.org/wiki/Category:Rotating_disc...

   This category revolves around various types of rotating disk computer storage media.The discs may be permanently attached to, or removable from, the computer. For large computer systems such as mainframes and server farms, the discs may be connected to a network, and thus may be situated physically distant from the computers they serve.

3. Constant angular velocity - Wikipedia

   en.wikipedia.org/wiki/Constant_angular_velocity

   In optical storage, constant angular velocity (CAV) is a qualifier for the rated speed of any disc containing information, and may also be applied to the writing speed of recordable discs. A drive or disc operating in CAV mode maintains a constant angular velocity , contrasted with a constant linear velocity (CLV).

4. Optical storage media writing and reading speed - Wikipedia

   en.wikipedia.org/wiki/Optical_storage_media...

   Those 74 minutes come from the maximum playtime that the Red Book (audio CD standard) specifies for a digital audio CD (CD-DA); although now, most recordable CDs can hold 80 minutes worth of data. The DVD and Blu-ray discs hold a higher capacity of data, so reading or writing those discs in the same 74-minute time-frame requires a higher data ...

5. Disk storage - Wikipedia

   en.wikipedia.org/wiki/Disk_storage

   The first commercial digital disk storage device was the IBM 350 which shipped in 1956 as a part of the IBM 305 RAMAC computing system. The random-access, low-density storage of disks was developed to complement the already used sequential-access, high-density storage provided by tape drives using magnetic tape.

6. Rotary storage - Wikipedia

   en.wikipedia.org/wiki/Rotary_storage

   Rotary storage systems. Rotary storage systems are filing cabinets; specialised office furniture units usually consisting of a double sided rotating unit, allowing the user to access two full sides of filing from one point. A foot pedal or lever is often used to operate the rotation mechanism, thus allowing user easy control.

7. Hyper CD-ROM - Wikipedia

   en.wikipedia.org/wiki/Hyper_CD-ROM

   The Hyper CD-ROM is a claimed optical data storage device similar to the CD-ROM with a multilayer 3D structure, invented by Romanian scientist Eugen Pavel. The technology is supposedly similar to FMD discs. The bit of data being held as a change in fluorescence characteristics once irradiated with one or two lasers.