b. Describe how the information systems function supports a business. Compare the roles played by programmers, systems analysts, information systems managers, the CIO, CSO, CDO and CKO. (ex. Use a mix of academic sources such as books, journal articles and non- academic sources such as the website of the company, other sites, news, media sources etc.) (Discuss how the IS function supports a business- theoretical perspective; compare roles played by the stakeholders mentioned above with examples) (5 marks) c. Explain the term big data. What benefits does it have, and what challenges does it pose? (ex. Use a mix of academic sources such as books, journal articles and non-academic sources such as the website of the company, other sites, news, media sources etc.) (Define big data; discuss benefits and challenges; apply to examples)