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Ics2110:System Analysis And Design Question Paper
Ics2110:System Analysis And Design
Course:Bachelor Of Information Technology
Institution: Meru University Of Science And Technology question papers
Exam Year:2010
1
(a) Once you have decided to purchase off-the-shelf software rather than write some or all of the
software for your new system, how do you decide what to buy? (6 marks)
(b) Describe the skills required to be an effective project manager. (6 marks)
(c) A project has been defined to contain the following list of activities along with their required
times for completion. There is an overhead cost of Kshs. 1750 per day.
2
Activity
No.
Activity Time
(weeks)
Immediate
Predecessors
Cost (Kshs)
1 Collect requirements 3 - 10000
2 Analyze processes 2 1 15000
3 Analyze data 2 2 13000
4 Design processes 6 2 19000
5 Design data 3 3 14500
6 Design screens 2 3,4 12800
7 Design reports 4 4,5 16800
8 Program 5 6,7 1100
9 Test and Document 7 7 11500
10 Install 2 8,9 5600
I. Draw a network diagram for the activities. (5 marks)
II. Calculate the earliest expected completion time. (1 mark)
III. Show the critical path. (1 mark)
IV. What would happen if activity 6 were revised to take 6 weeks instead of 2 weeks?
(2 marks)
V. Compute the total cost of the project. (3 marks)
d) Explain three advantages and three pitfalls of observing workers to determine system
requirements. (6 marks)
QUESTION TWO –20 MARKS
(a) Describe six major activities that occur during the implementation phase of the systems
development life cycle. (6 marks)
(b) Describe four general guidelines for designing forms and reports. (4 marks)
3
(c) Describe five objectives of information system security. (5 marks)
(d) Standards are important in most aspects of an information systems (IS) project, including its
documentation. Briefly describe the benefits of standards in information systems
development. (5 marks)
QUESTION THREE – 20MARKS
(a) Outline the steps that would be used in developing a prototype. (4 marks)
(b) Briefly explain the importance of systems theory concepts. (4 marks)
(c) In a given production process, a product is passed as fit for sale if it passes a mechanical and
electrical tests, and has the correct dimensions. If it fails the mechanical or electrical test but
not both, it is sent back to the workshop for repairs. In all other cases the product is rejected.
i. Draw a decision table for the above narrative, illustrating all the stubs for
drawing such a table. (4 marks)
ii. Draw a decision tree to represent the same processing logic. (3 marks)
(d) Outline five golden principles of interface design. (5 marks)
QUESTION FOUR – 20MARKS
(a) Briefly describe the four quadrants of the spiral model of systems development.
(6 marks)
(b) Explain four reasons why and IT department might decide against using an integrated CASE
tool for its systems development. (4 marks)
(c) Outline four reasons for decentralizing the information systems department. (4 marks)
(d) Explain the categories of CASE tools. (6 marks)
QUESTION FIVE – 20MARKS
(a) Differentiate between a decision support system and an expert system. (4marks)
(b) Outline six advantages of outsourcing the information systems department. (6 marks)
(c) Briefly explain the main features of the Structured Systems Analysis and Design
Methodology(SSADM) (6 marks)
(d) Describe four participant roles within a structured walkthrough. (4 marks)
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