A fracturable logic element includes a first, second, third, and fourth two-input lookup tables. The Non-Access Stratum of the apparatus determines whether to perform a CS fallback based on an Internet Protocol Multimedia Subsystem registration status, and sends a service request indicating a request to perform the CS fallback when the WTRU is attached to a CS domain. The first hard disk device is switched with the spare hard disk device, the data is processed and output. The strong RF electric field may be a short-range field that provides significant RF energy only over a relatively short distance, when compared with traditional RF fields that are set up over a relatively large distance.