Onlineshop, an e-commerce Web site, collects huge repositories of data about customer activities on the site. This information is sorted and organized to produce data that can help manage the firm. Which of the following type of information systems is exemplified in the scenario?
A. A transaction processing system
B. A management information system
C. An intelligent system
D. A decision support system

Dereck works for long hours on his computer.  he frequently experiences physical strain by the end of the day because he does not follow an important rule of ergonomics with respect to the use of keyboards.  which of the following actions of dereck could lead to physical strain? a.  placing the keyboard exactly in front of him while typingb.  keeping hands and wrists straight while typingc.  using wrist pads throughout the dayd.  pounding at the keys on the keyboard while typinge.  resting his hands on the keyboard when he is not typing