Test

1.2 Information systems in context Read pages 6 to 11 and answer the following questions. Exercise 1.2 1. What is an information system? A set of information processes requiring participants, data/information and information technology. It performs the 7 forms of information processes.
2. List the elements of an information system. Information processes, participants, data/information, IT
3. Outline one reason for the environment of an information system to change. The progress in IT
4. List the five functions of hardware. a) Input b) Processing c) Storage d) Control e) Output
5. What function is performed by the CPU? Directs the flow of data in a computer.
6. What part of the computer coordinates the operations of the input, processing, output and storage? Control unit which is part of the CPU
7. Describe four different types of computers. a) PC b) Midrange c) Mainframe d) Supercomputer 8. How is system software different from applic...