Human computer interaction

Cognitive performance reflects: Select one: 5 O a. cost and benefit of a finished project O b. speed and accuracy of performing an information-processing task O c. profit obtained from an investment O d. team size required for doing a task O e.time and space of performing an art work Which is the process of selecting things to concentrate on at a point time, from the range of possibilities available? 5 Select one: a. Perception b. Attention c. Learning d. Memory