©2024 TVET CDACC
061306T4CSC
COMPUTER SCIENCE LEVEL 6
ICT/OS/CS/CR/06/6/A
DEVELOP AN INFORMATION SYSTEM
July/August 2024
TVET CURRICULUM DEVELOPMENT, ASSESSMENT AND CERTIFICATION
COUNCIL (TVET CDACC)
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WRITTEN ASSESSMENT
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3 HOURS
INSTRUCTIONS TO CANDIDATE
1. The paper consists of two sections: A and B
2. Answer ALL questions in Section A and any Three from section B.
3. Marks for each question are indicated in the brackets.
4. A separate answer booklet will be provided.
5. Do not write on the question paper.
This paper consists of FOUR (4) printed pages.
Candidates should check the question paper to ascertain that all the pages are printed as
indicated and that no questions are missing
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©2024 TVET CDACC
SECTION A: (40 MARKS)
Answer ALL the questions in this section
1. Describe THREE reasons why information systems are so important for modern computing and
business today. (3 Marks)
2. Information provides historical evidence and reduces uncertainty when making decisions. State
any five qualities of good information. (5 Marks)
3. Highlight THREE principles of interface design as used in Human computer interaction.
(3 Marks)
4. Different SDLC methodologies have varying benefits that comes with each process. Discuss
THREE benefits of scaling Rapid Application Development methodologies for large projects or
organizations. (6 Marks)
5. Hope a UX designer has been tasked with creating the user interface of a mobile application.
Highlight FOUR interaction styles used in HCI that she should consider to enhance user
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engagement and satisfaction. (4 Marks)
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6. Explain FOUR important benefits of Management Information Systems (MIS) as a strategic tool
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within an organizational information system. (4 Marks)
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7. Lynn, a banker at Fadhili bank has been approached by a customer who wants to check his recent
bank transactions for the past 2 weeks.
a) Identify the type of information system she is likely to use to provide the information needed
by the customer. (1 Mark)
b) State THREE functions of the information identified 7 a) above. (3 Marks)
8. Outline THREE control structures applied in VB.Net. (3 Marks)
9. Radio buttons and checkboxes are interactive controls used in VB.NET applications. Discuss
TWO differences between them. (4 Marks)
10. Glory, a system administrator for Fariji Communications Limited, is tasked with understanding
and optimizing the integration of information system components. State FOUR components of an
information system that she needs to consider. (4 Marks)
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©2024 TVET CDACC
SECTION B: (60 Marks)
Answer any THREE questions in this section
11.
a) Describe TWO circumstances under which it is recommended to utilize Agile, particularly
the Scrum framework. (4 Marks)
b) Explain THREE importance of documentation in software development life cycle. (6 Marks)
c) Emmanuel, a SCRUM master has been consulted by Rafiki Investments Limited to facilitate
the development of an Agile system for their insurance agency. Explain FIVE differences
between Agile Development as compared to Waterfall methodology. (10 Marks)
12.
a) Computer-Aided Software Engineering (CASE) tools provide automated assistance during
software development and enhance the quality of systems developed. Explain THREE
important modeling techniques used in software development for analyzing and building
information systems. (6 Marks)
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b) The SDLC provides a framework for a product team to manage the development process
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systematically, with clear goals and deliverables at every stage. Discuss SEVEN phases of a
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software development lifecycle that a product team should consider to successfully guide the
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entire project to completion. (14 marks)
13.
a) The need for deliberate computer design is more crucial than ever as technology continues to
advance throughout the twenty-first century. Explain FIVE benefits of HCI in personalizing
interaction tools and processes. (10 Marks)
b) TVET authority has been meaning to improve its information security management system to
adapt to the evolving landscape of technology. Discuss FIVE emerging trends it should
consider when improving their system. (10 Marks)
14.
a) Explain the following terms as applied in VB.Net programming language. (10 Marks)
i) Object
ii) Property
iii) Method
iv) Event
v) Class
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©2024 TVET CDACC
b) Mouse events and keyboard events are important event handling techniques used in VB.NET.
Write VB.Net code for each of the following event handling functions. (10 Marks)
i) MouseDown
ii) MouseUp
iii) MouseHover
iv) KeyUp
v) KeyDown
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