Systemsmethods for computing a power spectral density estimate for a noise signal. An analysis device is provided which decides that the performance of the system resource has lowered when the utility rate is more than its threshold and the queue is shorter than its threshold, or decides that the number of system resources is insufficient when the utility rate is more than its threshold and the queue is longer than its threshold. A top covers the upper edge of the folded garment and is formed into a downwardly extending tab positioned between the folded garment and the front foldable flaps. Also, it is possible to manufacture a three-axis accelerometer and a three-axis gyroscope on a single wafer by the same process, to be integrated as a six-axis inertial sensor. The mobile network terminal modifies its user interface to accept the appropriate type of authentication and configuration information specified by the printer directory service.