BIT 1205, BBIT 104, BCT 2101: SYSTEMS ANALYSIS AND DESIGN KCA Past Paper

UNIVERSITY EXAMINATIONS: 2016/2017
EXAMINATION FOR THE DEGREE OF
BACHELOR OF SCIENCE IN INFORMATION TECHNOLOGY/BACHELOR OF
BUSINESS INFORMATION TECHNOLOGY/BACHELOR IN APPLIED
COMPUTING/BACHELOR IN INFORMATION AND COMMUNICATION
TECHNOLOGY
BIT 1205, BBIT 104, BCT 2101: SYSTEMS ANALYSIS AND DESIGN
FULL TIME/PART TIME/DISTANCE LEARNING
DATE: AUGUST, 2017 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.

QUESTION ONE [30 MARKS]
a) As systems design reaches its conclusion, a workable plan for the introduction of the system into
the business environment must be developed and approved.
Describe EIGHT activities you would consider for inclusion in your implementation plan and how it
would be presented. [8 Marks]
b) Explain THREE tools available to IS project managers [6 Marks]
c) At what stages of project development should the analyst consider using DFDs [5 Marks]
d) Describe FIVE characteristics of a good software. [5 Marks]
e) Software designing is faced by many unique challenges, advice a young programmer some of the
challenges likely to be encountered. [6 Marks]
QUESTION TWO [20 MARKS]
a) Explain FOUR cost estimation tools that the system analyst need to utilize during Feasibility studies
[8 Marks]
b) Explain FOUR methods of how system changeover could be employed to achieve the implementation
of the system [8 Marks]
c) Explain FOUR reasons as to why the documentation should be of high quality. [4 Marks]
QUESTION THREE [20 MARKS]
a) Define the following terms as used in Systems Analysis and Design. [8 Marks]
i. Prototype
ii. Structured walkthrough
iii. Formal technical review
iv. Interface
b) Differentiate between functional and non-functional requirements [4 Marks]
c) Differentiate between alpha and beta tests [4Marks]
d) Define the following terms [4Marks]
i. Risk Management
ii. Configuration Management
QUESTION FOUR [20 MARKS]
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 discounts 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 [7 Marks]
b) Define the terms
i) Decision table [2 Marks]
ii) Flow Chart [2 Marks]
iii) Structured English [2 Marks]
iv) Decision tree [2 Marks]
c) Describe FIVE advantages of prototyping. [5 Marks]
QUESTION FIVE [20 MARKS]
a) Different kinds of computer projects require different approaches to the development processes. Discuss
the factors that may be considered before choosing the appropriate lifecycle. [5 Marks]
b) With the aid of examples, describe FOUR type of system maintenance. [4 Marks]
c) Differentiate between the terms Information Systems (IS) and Information Technology(IT)
[4 Marks]
d) Consider the DFD in the figure below. List three errors (rule violations) on this DFD and correct them.
[7 Marks]

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