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System Analysis And Design (Bbit 231) (Cisy 222) (Misc 333) (Dcis 104) (Dbit 124) 1St Trimester 2016 Question Paper

System Analysis And Design (Bbit 231) (Cisy 222) (Misc 333) (Dcis 104) (Dbit 124) 1St Trimester 2016

Course:Bachelor Of Business Information Technology

Institution: Kenya Methodist University question papers

Exam Year:2016

System analysis and design (BBIT 231) (CISY 222) (MISC 333) (DCIS 104) (DBIT 124) 1st trimester 2016
KENYA METHODIST UNIVERSITY

END OF 1'st 'TRIMESTER 2016 (FT) EXAMINATION

SCHOOL : SCIENCE & TECHNOLOGY
DEPARTMENT : COMPUTING AND INFORMATION SCIENCE
UNIT CODE : BBIT 231/CISY 222/MISC 333/DCIS 104/DBIT 124
UNIT TITLE : SYSTEMS ANALYSIS & DESIGN
TIME : 2 HOURS

INSTRUCTIONS

Total Marks (70)

ANSWER ALL QUESTIONS IN SECTION A AND ANY 2 QUESTIONS FROM SECTION B:

SECTION A (COMPULSORY):

1.

Define a stochastic system and give a suitable example of such a system.
(4 marks)
Describe knowledge workers as players in the systems game. (2 mark)
Globalization of the economy is described as a business driver for today’s information systems. Support this statement by giving two suitable examples. (4 marks)
Describe two main activities carried out during the project identification and selection phase of the systems development life cycle. (4 marks)
Briefly describe what a statement of work (SOW) is. (2 mark)
Name three model-driven approaches to systems analysis? (3 marks)
Briefly describe the following DFD elements:
i. Process (2 marks)
ii. External entity. (2 marks)

Differentiate between the physical data model and the logical data model.
(4 marks)
Name three types of system maintenance. (3 marks)
SECTION B (ANSWER TWO (2) QUESTIONS FROM THIS SECTION):

2.
a. Describe two advantages and one disadvantage of in house vs commercial-of-the –shelf solutions. (6 marks)
b. Company X sells merchandise to wholesale and retail outlets. Wholesale customers receive a two percent discount on all orders. The company also encourages both wholesale and retail customers to pay cash on delivery by offering a two percent discount for this method of payment. Another two percent discount is given on orders of 50 or more units. Represent this information in a decision table. (14 marks)

3. a. Compare the process-oriented approach and the data-oriented approach to systems development by outlining three key characteristics of each approach. (12 marks)
b. Describe three disadvantages and one advantage of systems development methodologies. (8 marks)

4. a. Name and briefly describe four sets of analytical skills that one needs to have in order to succeed as a system analyst. (8 marks)
b. With the aid of a diagram and three suitable parameters show how a project selection can be arrived at. (6 marks)
c. Briefly describe the following terminologies as related to project initiation and planning:
i. Technical feasibility.
ii. Economic feasibility.
iii. System Service Request.
(2 marks each)

System Analysis And Design (Bbit 231) (Cisy 222) (Misc 333) (Dcis 104) (Dbit 124) 1St Trimester 2016 Question Paper

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