What is the NVIDIA Shading Rasterizer (NSR)?

Question:
What is the NVIDIA Shading Rasterizer (NSR)?

Answer:
The GeForce2 GTS GPU introduces a radical pipeline featuring the NVIDIA Shading Rasterizer (NSR), a key enabler for the advanced per-pixel shading capabilities. This new engine delivers a tremendous breakthrough, with seven simultaneous pixel operations in a single pass on each of four pixel pipelines per clock.