Toshiba SecuRed, User Manual

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EN
used the decimal (base 10) method, where 1GB = 1,000 MB =
1,000,000 KB = 1,000,000,000 bytes. Operating systems use the
binary (base 2) method, where 1GB = 1,024 MB = 1,048,576
KB = 1,073,741,824 bytes. For this reason, a hard drive with
a capacity of 120 GB (decimal) will appear in Windows with
a capacity of around 112 GB (binary). It must also be noted that
operating systems reserve a portion of hard disk space for their
own purposes. The actual amount can vary, depending on the
operating system.
Hard Drive manufacturers use the decimal method because
it is simpler and less confusing to consumers who may not
be familiar with the base 2 number system. Manufacturers of
operating systems do not need to concern themselves with this
issue, so they use the more traditional binary method.
Q: Does TOSHIBA provide data recovery services?
A: TOSHIBA does not provide data recovery services.