INFORMATION PROCESSOR AND STORAGE DEVICE

摘要

A hard disk drive (17) is attachable to and detachable from an enclosure (16) of a computer (15). The user is allowed to tote the hard disk drive (17) at hand. Various information related to the operating conditions is stored in the hard disk drive (17). If the user is allowed to operate the computer (15) solely based on the single hard disk drive (17), the accustomed operating conditions can always be established for plural computers (15). If the mentioned computer (15) is utilized to establish a desktop computer system, it is possible to avoid reduction in the size of the screen of the display device and the keyboard. A superior maneuverability can be obtained.