Apparatus and methods associated with power adapter identification are described. In one embodiment the apparatus includes an adapter plug having at least two contacts and at least one circuit component connected to the at least two contacts.

 
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< Method and apparatus that enable a computer user to verify whether they have correctly input their password into a computer

< Dynamic summary module

> Hot mirroring in a computer system with redundant memory subsystems

> Secure entry of a user-identifier in a publicly positioned device
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