A processing unit for a multiprocessor data processing system includes a processor core including a store-through upper level cache, an instruction sequencing unit that fetches instructions for execution, a data register, and at least one instruction execution unit coupled to the instruction sequencing unit that concurrently executes multiple threads of instructions. The tab is provided with a first elastic thrust component directed towards the body. A second communication interface module may be adapted to communicatively couple the mobile telephone to a computer communication network.