Three memory user programmable buttons

A program selection driving device for a personal computer, having a main computer with a hard disk, a main memory, a display means for displaying picture data visually and input means including a keyboard and/or mouse comprising:

• a selecting means having a plurality of program selecting buttons for driving programs and for outputting selecting signals;
• a signal input means for receiving selecting signals from the selecting means and outputting predetermined data corresponding to the selecting signals;
• a first memory means for storing available programs to be selected by the selecting means;
• a second memory means for storing a program for program selection driving;
• a third memory means for storing program information to be selected by the selecting means;
• and
• a central processing unit for executing the program stored at the second memory means, for detecting program information stored at the third memory means based on a selecting signal inputted from the signal input means, and for executing a corresponding program stored at the first memory means according to the detected information, selectively;
• the selecting buttons being set to correspond with each predetermined program, and the program information stored at the third memory means being re-allotted to the respective selecting buttons at user's option, in execution of the program stored at the second memory means.