A method and apparatus is disclosed that computes multiple absolute differences from packed data and sums each one of the multiple absolute differences together to produce a result. The method includes receiving, using control circuitry, a signal. The apparatus also includes a controller configured to control de-mapping the acknowledgement information that is mapped in first symbols in a slot of a subframe, the reference signal not being mapped to the first symbols and the first symbols being directly adjacent to a middle symbol in the slot, and de-mapping the data information that is mapped to remaining symbols in the slot. The down-converter on-chip implements an input impedance match circuit and an open-drain output stage. A second URL in a second document is modified to produce a second modified URL that includes a hostname that is also resolvable to the shared CDN. The plug portion is received within an opening in the syringe and maintains a sterile seal at that point while simultaneously maintaining any medicament within the syringe.