| http://www.w3.org/ns/prov#value | - Computing device 800 further includes a hard disk drive 844 for reading from and writing to a hard disk (not shown), and may include a magnetic disk drive 846 for reading from and writing to a removable magnetic disk 848, and an optical disk drive 850 for reading from or writing to a removable optical disk 852 such as a CD ROM or other optical media.
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