. . . . "The storage medium drive device 2116 reads out a program or data stored in a storage medium such as a CD-ROM or DVD-ROM and outputs it to the RAM 2111 or external storage device 2115. ???Programs and data which cause the CPU 2110 to execute each processing to be described later??? may be stored in a storage medium and loaded to the RAM 2111 by the storage medium drive device 2116." .