Ics2309:Commercial Programming Question Paper
Ics2309:Commercial Programming
Course:Computer Science
Institution: Meru University Of Science And Technology question papers
Exam Year:2013
QUESTION ONE – 30 MARKS
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 machines (ATM) amid claims of increased fraud and user complains. Discuss these recommendations in well structured report. (10 Marks) d. Briefly discuss at least five attributes of good quality software. (5 Marks)
QUESTION TWO – 15 MARKS
a. The deployment of open systems is often criticized as having a very small systems boundary this implies that the environment is much larger with a number of systems that have to interact with each other. These interactions occur though 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. Discus how the direct manipulation of data can improve on data integrity. (5 Marks)
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QUESTION THREE – 15 MARKS
a. Describe each of the decision making model as expressed by Herbert Simon. (6 Marks) b. Explain the giving examples of difference 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 will enhance group collaboration. (4 Marks)
QUESTION FOUR – 15 MARKS
a. With respect to end user design, what purposed do messages provide to end users. (5 Marks) b. Name and describe at least five different types of messages that can be implemented in systems application. (15 Marks)
QUESTION FIVE – 15 MARKS
a. Draw an appropriate diagram and calculate the critical path and critical time duration for a project consisting of these activities (10 Marks)
A - 5 B - 4 C A 3 D A 4 E A 6 F B,C 4 G D 5 H D,E 6 I F 6 J G,H 4
b. As the project manager you have been told to reduce the overall project duration of the above project by four days. You first decide to reduce each or the tasks on the critical path by one day each, but find that is not enough. Explain why this is the case and suggest what else you would need to do to achieve the target. (5 Marks) c. What additional information would be needed to use the program evaluation and review technique (PERT) for the above project? (5 Marks)
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