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2. Hard disk drive performance characteristics - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive...

   A hard disk head on an access arm resting on a hard disk platter. The access time or response time of a rotating drive is a measure of the time it takes before the drive can actually transfer data. The factors that control this time on a rotating drive are mostly related to the mechanical nature of the rotating disks and moving heads. It is ...

3. Zone bit recording - Wikipedia

   en.wikipedia.org/wiki/Zone_bit_recording

   Commodore 1541 floppy disk (combined ZBR, ZCAV and GCR for 17–21 sectors á 256 bytes in 4 writing speed zones) Sirius 1/Victor 9000 floppy disk (combined ZBR, ZCLV and GCR for 11–19 sectors á 512 bytes in 9 rotation speed zones) [4] Apple Macintosh 400K/800K floppy disk (combined ZBR, ZCAV and GCR) DVD-RAM; Most hard drives since the ...

4. Microsoft Drive Optimizer - Wikipedia

   en.wikipedia.org/wiki/Microsoft_Drive_Optimizer

   Microsoft Drive Optimizer (formerly Disk Defragmenter) is a utility in Microsoft Windows designed to increase data access speed by rearranging files stored on a disk to occupy contiguous storage locations, a technique called defragmentation. Microsoft Drive Optimizer was first officially shipped with Windows XP.

5. System Mechanic Software | 30-Day Free* Trial | AOL Products

   www.aol.com/products/utilities/system-mechanic

   Download System Mechanic to help repair and speed up your slow PC. Try it free* for 30 days now. ... cleans up over 50 different types of junk files and regains thousands of megabytes of hard disk ...

6. ReadyBoost - Wikipedia

   en.wikipedia.org/wiki/ReadyBoost

   Desktop hard drives can sustain anywhere from 2 to 10 times the transfer speed of USB 2.0 flash drives but are equal to or slower than USB 3.0 and Firewire (IEEE 1394) for sequential data. USB 2.0 and faster flash drives have faster random access times: typically around 1 ms, compared to 12 ms for mainstream desktop hard drives.

7. Hard disk drive - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive

   Early hard disk drives wrote data at some constant bits per second, resulting in all tracks having the same amount of data per track, but modern drives (since the 1990s) use zone bit recording, increasing the write speed from inner to outer zone and thereby storing more data per track in the outer zones.