a. Commercial programming includes both application development as well as operating system based applications. In the development of applications two approaches can be employed. Discuss these two approaches giving relevant examples in both cases. i. Critical success factor. (5 Marks) ii. Enterprise analysis approach (5 Marks)
b. Application development are usually managed as projects. Most of the projects lead to business process engineering drastically changing the business operations. Discuss at least five factors that may lead to the success of BPR projects. (5 Marks)
c. Human computer interaction (HCI) is a major factor in any successful deployment of both hardware and software. HCI is thus used to design a number of hardware in the current business world. A leading bank in the country approaches you to make suggestions to their intended upgrade of the next generation Automated Teller Machine (ATM) amid claims of increased fraud and user complains. Discuss threes recommendations in well-structured report. (10 Marks)
d. Briefly discuss at least 5 attributes of good quality software. (5 Marks)
QUESTION TWO – 20 MARKS
a. The deployment of open systems is often criticized as having a very small systems boundary; this implies that the environment is much large with a number of systems that have to interact with each other. These interactions occur through interfaces, discuss the security concerns these interactions bring to an organization. (10 Marks) b. Briefly explain the concept of feed forward control loop structures. (5 Marks) c. Discuss how the direct manipulation of data can improve on data integrity. (5 Marks)
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QUESTION THREE – 20 MARKS
a. Describe each of the decion making model as expressed by Herbert Simon. (6 Marks) b. Explain by giving examples the differences between the Data driven decision support systems and model driven decision support systems. (6 Marks) c. Define group decision support systems (GDSS). (4 Marks) d. What features of GDSS enhance group collaboration? (4 Marks)
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