The invention provides a file processing apparatus, with which files can be selected easily when subjecting files to a predetermined process. An interrupt controller 10 comprises a queue circuit 11 that holds channel numbers corresponding to interrupt inputs in the order of priority levels, and a queue control circuit 12 that changes the order of the channels held in the queue circuit 11 according to a new order of the priority levels when a priority level that corresponds to any channel number is changed. The resin composition of the present invention comprises an epoxy resin, a cyanate resin and an onium salt compound as essential components. The assembly aids engage one inside the other in a form-fitting manner and are configured so that the two frame parts are held in an assembly aid position in which the mutually corresponding fastening points are aligned with respect to each other. The other end of the DC motor field is connected through a plurality of diodes to respective phases of the input power.