After the it department installed a new software package on the computers in your department, your workers are reporting that their computers seem to be running very slowly and that the light that indicates the hard disk running is on much more than in the past. you go to investigate and discover that the hard disk light is on most of the time. you report the situation to the it department, and they tell you that the computers need more memory installed because they are doing too much a. memory swapping b. power surging c. typing d. processing e. web browsing