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System Analysis &Amp; Design Question Paper
System Analysis &Amp; Design
Course:Diploma In Information Technology
Institution: Bungoma Technical Training Institute question papers
Exam Year:2012
STAGE II EXAMINATION FOR THE DIPLOMA IN INFORMATION
TECHNOLOGY
SYSTEM ANALYSIS & DESIGN
DATE: MARCH, 2012 TIME: 1½ HOURS
INSTRUCTIONS: Answer Any Three Questions
QUESTION ONE
a) Explain FIVE roles of a system Analyst. [5 Marks]
b) Explain FIVE system stakeholders for a payroll management system [5 Marks]
c) Explain FIVE factors that may trigger for systems to be investigated for subsequent development
[10 Marks]
QUESTION TWO
a) Explain FOUR reasons as why so much emphasis is placed on high quality documentation
[8 Marks]
b) Explain TWO types of Prototyping [4 Marks]
c) Explain FOUR types of feasibility study [8 Marks]
QUESTION THREE
a) Briefly describe the stages involved in a systems development cycle, starting with the original
identification of the problem by management and ending with a report back on successful (or
otherwise) implementation. [10 Marks]
2
b) Explain FOUR types of System Maintenance. [6 Marks]
c) Distinguish between the following terms as used in Systems
i. Logical & physical design [2 Marks]
ii. Systems Validation & System Verification. [2 Marks]
QUESTION FOUR
a) Explain the purpose of structured walkthroughs in system developments and describe briefly how
they are usually carried out. [4 Marks]
b) In systems development, the following issues are considered to be important:
?? Producing and maintaining documentation
?? Adhering to development standards.
i. Explain THREE reasons as to how a CASE tool could help the system developer with these two issues. [6 Marks]
ii. Give TWO reasons why an IT department might decide against using an integrated CASE tool
for its systems development. [4 Marks]
c) Explain FOUR benefits to be gained from the use of Data Flow Diagrams as a functional analysis
technique. [6 Marks]
QUESTION FIVE
A Company supplies a range of cosmetics products and gives discounts on orders as follows: For order
worth less than kshs 1000 a discount of 2% is given. For orders worth kshs 1000 and above a discount
of 5% is given. These discount are only given if the customer’s account is less than four weeks in
arrears. If the account is more than eight weeks in arrears a pro- forma invoice must be sent and settled
before dispatch.
a) Prepare a limited entry decision table [14 Marks]
b) Define the following terms
i. Decision table [2 Marks]
ii. Decision tree [2 Marks]
iii. Pseudo codes [2 Marks]
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