A data processor comprises a plurality of processing elements arranged in a first plurality of single instruction multiple data processing arrays, and comprises a second plurality of controllers for transferring instructions to the processing arrays. The method uses information obtained from the client itself to classify the client. The lower part of the raising member is attached so as to surround an opening portion formed in the upper surface of the machine room cover, and the hood member is attached to the raising member so as to be able to be rotationally opened and closed. Further, the user interfaces provide unique process of transitioning between the content.