for finals

Question 1

What are the differences between Structured & Object-Oriented?

Answer 1

Methodology = structured (SDLC), OO (iterations)

Risk = structured (high), OO (low)

Focus = structured (process), OO (objects)

Reusability = structured (low), OO (high)

Maturity = structured (mature & widespread), OO (emerging)

Suitability
= structured (stable requirements), OO (changing requirements)

Question 2

What are the feasibilities?

Answer 2

1. Economic - financial benefits & cost eg. cost - benefit analysis/NPV
2. Technical - system’s hardware & software including cost & duration estimation
3. Operational - system is either solving existing problems or new opportunity
4. Scheduling - completion & deadlines
5. Legal & Contractual - legal & contractual ramifications
6. Political - key stakeholders involving in the project development

Question 3

What are the benefits of using a gantt chart?

Answer 3

• planning & scheduling of projects
• resources planning & management
• monitor project progress
• honest tasks completion on team members

Question 4

What are the software resources?

Answer 4

1. IT firms
2. Package Software Providers
3. Custom Software Producers
4. Enterprise Solutions Software
5. Open Source Software Application
6. In-House Development

Question 5

What is IT firms?

Answer 5

• provides custom systems
• develop, host, & run applications
• provides other services
  eg. IBM

Question 6

What is Package Software Providers?

Answer 6

• off-the-shelf software
• general system to niche system
• modifiable or unmodifiable (turnkey)
  eg. Microsoft

Question 7

What is Custom Software Producers?

Answer 7

• consulting firms to meet client’s requirements
• when no in-house expertise
  eg. CapGemini

Question 8

What is Enterprise Solutions Software?

Answer 8

• enterprise resource planning software
• software system to satisfy organization’s requirements
  eg. Oracle

Question 9

What is Open Source Software Application?

Answer 9

• freely available over the internet
• final product with source codes
• develop by community
  eg. MySQL, Linux

Question 10

What is In-House Development?

Answer 10

• IT personnel/expertise within an organization
• organization consisting sufficient resources & hardware

Question 11

What are the pros & cons of Objet RDBMS?

Answer 11

Pros:
1. handles complex data
2. based on established technology (SQL)

Cons:
1. limited Object-oriented support
2. impedance mismatch of tables & objects

Question 12

What are the pros & cons of Object-Oriented DBMS

Answer 12

Pros:
1. handles complex data
2. supports object-oriented

Cons:
1. still a maturing technology
2. skills are hard to find

Question 13

What are the differences between alpha & beta testing?

Answer 13

Testing = alpha (within organization), beta (real-time testing of users)

Side = alpha (Developer), beta (End-user)

Execution = alpha (long), beta (short)

Test cycle = alpha (multiple), beta (short)

Question 14

What are the types of automated testing?

Answer 14

1. Syntax checking - using compiler/interpreter to test source codes
2. Unit testing - isolated module testing for any errors in the codes
3. Integration testing - testing of all objects & components together
4. System testing - testing all programs & applications together
5. Acceptance testing - user satisfaction testing

Question 15

What is Object-Oriented Software Development?

Answer 15

• a collection of objects that work together to accomplish tasks
• objects carried out actions & maintain own data
• OOAnalysis = identify objects in problem domains
• OODesign = defining objects & fulfill requirements
• OOProgramming = program/code implementation