>
>     There have been three released USB specifications:
>
>         USB 1.0 -- defined a 1.5 Mbit/sec interface ("low speed")
>         USB 1.1 -- added a 12 Mbit/sec interface ("full speed")
>         USB 2.0 -- added a 480 Mbit/sec interface ("high speed")

Not quite: 1.0 and 1.1 were each 1.5 and 12.

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