SLR 06 Software Development

Question 1

Life Cycle

Answer 1

• Feasibility + Problem Def
• Requirements
• Analysis & Design
• Implementation
• Testing
• Evaluation
• Maintenance

Question 2

Waterfall Method

Answer 2

Goes through the life cycle from top to bottom

Question 3

Rapid Application Development (RAD)

Answer 3

• Iterative

- Checked by client often

Question 4

Spiral Model And Its Stages

Answer 4

Risk Driven Approach

1. Determine objectives
2. Identify and resolve risks
3. Develop and test
4. Plan the next iteration

Question 5

Agile Methodologies & Extreme Programming (XP)

Answer 5

Agile:
- Group of methods.
- Based on shifting requirements.
- Regular meetings with client
XP:
- A type of agile
- Extremely short iterations (often 1 week)
- Embeds the client inside the development team to give instant feedback
- Paired Programming common

Question 6

Waterfall pros

Answer 6

• Simple
• Easy To Manage
• Well defined stages

Question 7

Waterfall cons

Answer 7

• Lack of flexibility
• High Risk
• Client is removed from development

Question 8

Rapid Application Development pros

Answer 8

• User feels involved

- End product more likely to match requirements due to regular feed back

Question 9

Rapid Application Development cons

Answer 9

• Regular contact required with client

- Does not scale well

Question 10

Spiral method pros

Answer 10

• Focuses on risks

- Works well for large projects

Question 11

Spiral Method cons

Answer 11

• Risk management is specialized and costly

Question 12

Agile Methodologies / Extreme Programming pros

Answer 12

• High quality of code (efficient with less bugs)

Question 13

Agile Methodologies / Extreme Programming cons

Answer 13

• Increased development cost
• Heavy collaboration required
• Embedded end user required

Question 14

Black Box Testing

Answer 14

Testing whether the inputs match the outputs expected

Does not test how well the code is written

Question 15

White Box Testing

Answer 15

Completed by Developers.

Tests how well the code is written / how efficient it is

Question 16

Alpha Testing

Answer 16

Early testing done by developers or friends and family of developers.

Question 17

Beta Testing

Answer 17

Opened up to wider community.

Nearly Finished.

Question 18

Valid data

Answer 18

The expected data from the user

Question 19

Invalid / Extreme data

Answer 19

Data that should generate an error message if input

Question 20

Borderline or boundary data

Answer 20

Testing data around the boundaries to ensure they are dealt with correctly