| http://www.w3.org/ns/prov#value | - As shown in FIG. 2, when a startup switch is turned on to use a system such as a computer (step 200), the power is applied to the overall system (step 205), a password is input from a user through an input unit for receiving the password (step 210), and it is determined whether the input password is identical with a predetermined password, such as a preset password or a password previously stored
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