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System Analysis And Design Question Paper
System Analysis And Design
Course:Bachelor Of Telecommunication And Information Engineering ()
Institution: Kabarak University question papers
Exam Year:2012
KABARAK
UNIVERSITY
UNIVERSITY EXAMINATIONS
2011/2012 ACADEMIC YEAR
FOR THE DEGREE OF BACHELOR OF TELECOMMUNICATION
TLCM 312: SYSTEM ANALYSIS AND DESIGN
DAY: THURSDAY
DATE: 02/08/2012
TIME: 2.00 – 5.00 P.M.
STREAM: Y3S1
INSTRUCTIONS:
1. Answer ALL questions in PART ONE and any TWO questions in PART TWO
2. Any extra questions answered will not be marked
Page 1 of 5
PART ONE
Question One (40 marks)
a.
Describe project management planning and scheduling.
(6 marks)
b.
You are contracted to design and implement an information system a non-governmental
organization (NGO). The NGO has field offices in remote areas of Kenya. All the field
offices are connected to the internet by extremely fast links. All the staff have computers
and mobile phones issued by the organization. You need to gather information from the
employees that is going to be used to identify the problems that the new system will help
solve.
i.
Describe two advantages that interviewing has compared to questionnaires as an
information gathering tool.
(4 marks)
ii.
Describe the best way you would use to interview the employees, that ensures that you
take advantage of all the benefits interviewing offers while keeping down the costs.
(6 marks)
iii.
Describe four steps that you would take in preparing to carry out the interviews.
(6 marks)
c.
What is a primitive process?
(2 marks)
d.
Describe the difference between an entity as used in entity relationship models and data
flow diagrams.
(2 marks)
e.
Describe how the following tools can be used in the design of an information system.
i.
Entity relationship models
(3 marks)
ii.
Data flow diagrams
(3 marks)
f.
Identify four errors in the following data flow diagram.
(8 marks)
Page 2 of 5
Diagram 0 Student Registration System
Account already
exists
1
New Student Info
Student ID
Create Account
Student
Student
record
Acceptance
letter
D1
Student database
Course
Registration
selected
Student
letter
record
Student
2
Certificates
Determine if
acceptance
conditions are
Student ID
met
D2
Course databas
e
Acceptance ID
Student
3
Register
Student record
Payment
student
D1
Student database
Page 3 of 5
PART TWO
Question Two (20 marks)
a.
Describe
i.
The role of users in prototyping.
(4 marks)
ii.
Sampling and how it can be used to improve the prototyping process
(4 marks)
b.
Describe the phases of rapid application development.
(6 marks)
c.
What is the disadvantage of using rapid application development as compared to using
the system development life cycle?
(2 marks)
d.
Under what circumstances should one use rapid application development? (4 marks)
Question Three (20 marks)
a.
Describe how data flow diagrams can be used to determine the resource requirements of
an information system.
(6 marks)
b.
Describe two methods that can be used to validate data before it is inputted into an
information system.
(4 marks)
c.
Describe the user interfaces that are most suited for the following situations
i.
Computer illiterate users
(2 marks)
ii.
Data entry workers.
(2 marks)
d.
Give three advantages of outsourcing software resources from an application service
provider.
(6 marks)
Question Four (20 marks)
a.
What does documenting an information system involve?
(2 marks)
b.
Describe three reasons why maintenance is performed on an information system, and for
each name the type of maintenance performed.
(6 marks)
c.
Describe the steps you would follow when upgrading an operational system? (4 marks)
d.
Describe the four stages of testing that an information system goes through before it is
implemented.
(8 marks)
Page 4 of 5
Question Five (20 marks)
a.
Describe
i.
Two advantages that an organization can get if they use web technologies in the design
and implementation of information systems.
(4 marks)
ii.
Three ways an organization can utilize web technologies and the internet in user training.
(4 marks)
b.
What conversion method is most suited for use when
i.
Upgrading an operational system
(2 marks)
ii.
Converting from a manual to an automated system.
(2 marks)
c.
Describe the four main elements of information security.
(6 marks)
d.
Describe one method that you would use to secure information accessed from an
application service provider.
(2 marks)
Page 5 of 5
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