ISCW2J17 Information Systems: Information Technology and IS

Acquiring BIS and SDLC

1. What is the Difference between an ‘Information System’ And ‘Information Technology’?

2. Draw a diagram illustrating the main components of a generic system.

3. Information systems play a critical part in supporting a company’s activities. Using specific examples
   1. Define an information system
   2. Describe the categories of computer-based information systems, providing relevant examples for each category identified.
   3. Explain how computer-based information systems can support managers at each level of an organisation.

4. Explain the terms ‘bespoke development’, ‘off-the-shelf package’ and ‘end user computing’. Illustrate your answer with some of the reasons cited in favour of each of these methods of application software acquisition.

5. What is SDLC ?
   1. What are the different stages of SDLC ?
   2. Explain each stage identified in “a”.