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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:2012
1
a. Describe any three types of structured walkthrough. (6 Marks)
b. Discuss the advantages of Object Oriented Analysis and Design. (4 Marks)
c. Mention any two information security threats and how to counter the threats. (4 Marks)
d. Differentiate between:
i. Structured and unstructured decisions. (2 Marks)
ii. Operations support systems and knowledge management systems. (2 Marks)
e. The success of any system development ventures is wholly dependent on the methodologies
used. Discuss the features and the advantages of a Structured Systems Analysis and Design
(SSAD) methodology. (4 Marks)
f. Outline any four specific types of system designs. (4 Marks)
g. Explain any four types of feasibility studies. (4 Marks)
QUESTION TWO – 20 MARKS
a. During systems installation the developer is required to install the system in a way that the
operations of the organizations will not be adversely affected. Describe any three methods that
support gradual changeover of a system. (6 Marks)
b. MUST selected you to be a member of a steering committee, describe any four functions you are
charged with as a member of the committee. (6 Marks)
c. System developer should consider certain factors when determining the vendor to buy software
from. State any four such factors. (4 Marks)
d. Information systems analysis and design can be an impossible task where proper selection of
appropriate analysis and design techniques and methodologies is carelessly done. Briefly
explain any four factors to consider when selecting techniques and methodologies for analysis
and designing systems. (4 Marks)
2
QUESTION THREE – 20 MARKS
a. In recent years, Computer Aided Software Engineering (CASE) tools have emerged as ways of
developing information systems. Evaluate Computer Aided Software Engineering (CASE) tools
of its potential advantages. (4 Marks)
b. Expert systems perform tasks at the level of a human expert. Identify the basic problems faced
by the developers when designing expert systems. (6 Marks)
c. Meru County CEO has approached you to help him recruit a project manager to help design a
county information system. Briefly explain any four traits or skills that the CEO of the county
will be looking for when appointing the project manager. (4 Marks)
d. Draw a network diagram from the following information. Find the critical path and the project
duration for the project below. (6 Marks)
Activity Preceding Activity Duration (DAYS)
A --- 4
B A 2
C B 10
D A 2
E D 5
F A 2
G F 4
H G 3
J C 6
K C,E 6
L H 3
QUESTION FOUR – 20 MARKS
a. Briefly discuss any four basic competitive strategies that businesses can implement to counter
the threats of competitive forces that they face in the market. (4 Marks)
b. Despite all the tools and techniques available to project leaders and systems analysts, projects
costing large amounts of money may still fail for one reason or another. Write short notes
suggesting the reasons for systems failures. (6 Marks)
c. The core objective of JAD session is to establish the requirements of a system. Outline any four
participants in the JAD sessions. (4 Marks)
d. Jua Kali Manufacturers wish to cut on costs brought about by some mechanical repetitive chores
of manufacturing. The firm’s managing director approaches you to offer an honest opinion and
advise on the type of information systems that can help to eradicate the costs caused by the
repetitive processes. (6 Marks)
3
QUESTION FIVE – 20 MARKS
a. Security of information systems is the protection of availability, confidentiality and integrity.
Outline five ways of minimizing risks of the threats to information system security. (5 Marks)
b. Computer based information systems offer a set of capabilities to be brought out in the
development of information systems. Highlight five ways in which computer based information
systems positively impact organizations. (5 Marks)
c. When the customer places the order, one of the sales staff prepares the order and writes the bill.
If there is an insufficient quantity of items on hand, a back order is set up for the missing items.
The available items are shipped and a bill is prepared and sent for those items. The customer is
billed for the back-ordered items when they are shipped.
Quantity purchase over a specified limit are sold at discounted prices. However, the discount
applies only to wholesale customers. Retail customers do not receive the discount even if they
purchase more than the minimum quantity level.
All retail customers pay sales taxes on their orders. Wholesale customers do not pay taxes,
provided they have a state tax exemption form on file (otherwise, they also must pay sales taxes
on their orders).
All bills are mailed to the customers unless they pay for the order when they receive their
merchandise.
Required:
Develop a complete decision table showing all conditions and actions together with appropriate
decision rules. (10 Marks)
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