This topic contains a solution. Click here to go to the answer

Author Question: Explain why the cost to identify and remove a defect in the early stages of software development ... (Read 123 times)

bcretired

  • Hero Member
  • *****
  • Posts: 525
Explain why the cost to identify and remove a defect in the early stages of software development might be 100 times less than the cost of removing a defect in software that has been distributed to customers. What are the implications for a software development organization?

Question 2

Define and briefly discuss the difference between white box testing and black box testing.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

HandsomeMarc

  • Sr. Member
  • ****
  • Posts: 360
Answer to Question 1

If the cost is not identified in the early stages, some rework of the deliverables produced in the preceding stages must be done. Also, the later the error is found, the more people are affected by the error. At very late stages, it will cost money to communicate the details of a defect, distribute and apply software fixes, retrain end-users for a product that has been sold to hundreds of customers.

Answer to Question 2

White-box testing is a software testing in which the software unit has expected input and output behaviors, but whose internal workings are known, and all possible logic paths through the software are tested. Black-box testing is a form of software testing in which input is provided to the program and the output is verified against the expected output, and if they are the same, the software passes the test. The tester does not need to know anything about how the software works.

White-box testing involves testing all possible logic paths through the software unit with thorough knowledge of its logic and whose internal workings, unlike the unit in black-box testing, are known. Black-box testing takes place without the tester having any knowledge of the structure or nature of the actual code.




bcretired

  • Member
  • Posts: 525
Reply 2 on: Jun 24, 2018
Wow, this really help


bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Gracias!

 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

For a complete list of videos, visit our video library