System Analysis and Design

Pg.01 Question Five

Deadline: Day 13/10/2018 @ 23:59

System Analysis and Design

IT243

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College of Computing and Informatics

Question One

2 Marks

Learning Outcome(s):

LO1: An

understanding of the role of analysis and design in software engineering.

What is cost and benefit analysis? Explain the two different types of costs and two different types of benefits.

Answer:

Question Two

1 Marks

Learning Outcome(s):

LO1: An

understanding of the role of analysis and design in software engineering.

Discuss root-cause analysis as a BPA activity. What are the strengths and limitations of this technique?

Answer:

Question Three

1 Marks

Learning Outcome(s):

LO1: An

understanding of the role of analysis and design in software engineering.

LO2: Ability to design a system by applying principles and methodology of object oriented design.

It is recommended to use hierarchical structure in organizing team members if they are between 8-10. However, going through the hierarchical structure could delay completing tasks!

Discuss how using hierarchical structure in staffing could reduce complexity?

Answer:

Question Four

2 Marks

Learning Outcome(s):

LO1: An

understanding of the role of analysis and design in software engineering.

LO2: Ability to design a system by applying principles and methodology of object oriented design.

LO3: Ability to use all the analysis and design techniques with comfort.

The data flow diagram levels are number 0,1,2 and going to level 3 and beyond is very uncommon. Highlight the differences between the different levels of DFD with one example and why it is uncommon to go beyond level 3 DFD.

Level Description Example
Level 0 DFD
Level 1 DFD
Level 2 DFD
Level 3 data flow diagram DFD and so on :

Answer:

Pg. 03 Question Four

Question Five

1 Marks

Learning Outcome(s):

LO1: An

understanding of the role of analysis and design in software engineering.

.

List four common mistakes encountered during Data Modelling?

Answer: