Please answer Q4 only.

SECTION A [100 Marks) Companies Making IT A Competitive Advantage All enterprises, regardless of what they produce or the services they deliver, are really information businesses. The accuracy, speed and precision of IT systems means the difference between winning or losing customers, keeping supply chains profitable, and solidly translating new concepts into revenue-producing products and services. The world's best-run services businesses have customer-driven IT as part of their DNA; it is very much who these companies are internally. Answer ALL the questions in this section. Question 1 (20 Marks) An organisation can survive and succeed in the long run if it successfully develops strategies to confront the five competitive forces that shape the structure of competition in its industry. From an information systems perspective, the tool provides further pointers towards how IS can be used to benefit the business. Discuss the competitive strategy concepts that the organisation can adopt to remain competitive. Question 2 (20 Marks) Briefly discuss the resources that support business information systems. Question 3 3.1 (10 marks) Client Server computing is a growing trend in most organisations. Computing power has rapidly become distributed and interconnected throughout many organisations through networks of all types of computers. Discuss the characteristics and benefits of client/server networks. 3.2 (4 marks) The simplest way in which the Internet can be described is as a global network system made up of smaller systems. Describe TWO (2) distinguishing features of the Internet. 3.3 Electronic commerce (e-commerce) is defined as.ch business relation Talisactions through the use of M. DISCUSS THREE (3) business and consumer e-commerce models. Question 4 (20 Marks) Discuss the system development lifecycle. Question 5 WIUS) Elaborate on any Five (5) types information systems that can be used to support the marketing function in an organization