Provided is a semiconductor device. Pharmaceutical compositions comprising modulator agents or compounds identified by screening assays described herein are also encompassed. The methods of the present invention utilize high performance and good scalability of the new architecture. Bit-vectors are generated corresponding to the nodes andor edges, wherein individual bits in the bit-vectors respectively provide a logical indication of connectedness. The plurality of operable positions of the actuator permitting, interrupting, or reversing the motive operation of the powered feed and cutting systems of the wood chipper. A plurality of information channels are provided in a forward communication link of the communication system for carrying channel information of the plurality of information channels from a transmitter to a plurality of corresponding receiving devices.