A nonvolatile semiconductor memory in which the area of each memory cell is small and which can perform high-speed operation with accuracy. The aircraft includes an airframe, a pair of fins attached to a rear portion of the airframe, a pair of dihedral braces attached to a bottom portion of the airframe, a first thrust vectoring module and a second thrust vectoring module, and an electronics module. In response to detection of a predetermined event triggered by the malicious content suspect requesting a user action on a graphical user interface presented by the malicious content suspect, simulating, a user interaction module simulates a user interaction with the GUI without user intervention. If the first and second terminals are disconnected from each other when the computer motherboard works, the power supply stops working. The compounds are useful for treating autoimmune diseases.