A __________ attack attempts to learn or make use of information from the system but does not affect system resources.

In the adopter categories, the final 16 percent to adopt are similar to innovators in that they do not rely on the norms of the group but are independent because they are tradition-bound. They tend to have the lowest socioeconomic status, are suspicious of new products, and are alienated from a rapidly advancing society. Who are they?

a. laggards b. decliners c. late majority d. late diffusers

Give three examples of visual aids and show how they improve comprehension