A method defines gesture types of touch events on a touch screen of a computing device, and sets associations between the gesture types and touch areas of the touch events and operation instructions stored within a storage device. Because a pre-heating time is necessary from turn-on of the switch till the circuit block becomes usable, control of the switch during an operation deteriorates a processing time of a semiconductor device. The mapping is used to split the chunk of data into a file data stream and a meta data stream and to store file data from the file data stream in a first file and to store meta data from the meta data stream in a second file, wherein the first file and the second file are separate files. In one embodiment, the presentation generator generates and presents to the user textual observations, questions, andor statements for the user’s consideration.