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Principles of Information Systems ...

12th Edition
Ralph Stair + 1 other
Publisher: Cengage Learning
ISBN: 9781285867168

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Section
BuyFindarrow_forward

Principles of Information Systems ...

12th Edition
Ralph Stair + 1 other
Publisher: Cengage Learning
ISBN: 9781285867168
Chapter 13, Problem 3RQ
Textbook Problem
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Briefly describe unit, integration, system, volume, and user acceptance testing—who performs each type of test, and what is the goal of each type of test?

Program Plan Intro

Testing:

  • Testing is a study conducted to provide information about the quality of the system.
  • Testing is an important phase of all development processes. It contains four stages. They are,
    • Unit testing
    • Integration testing
    • System testing
    • Volume testing
    • User acceptance testing
  • It is necessary to avoid the bug which comes to notice after the project completion, so it involves more cost. That’s why the testing is necessary in the system development.
  • The testing phase requires time and expert programmers to test the project.

Explanation of Solution

Unit testing:

  • Unit test is one of the stages defined for the tests. It is used to test the single module for some sort of specific test.
  • It is performed once the programmer develops the program, tests the code, and believes that there is no error in that code.
  • It is performed by the analyst or programmer.
  • The unit test mainly concentrates on one and only one test module that performs a specific task or function.
  • Unit test ensures that the program must perform the task or function that was originally defined to it.
  • First, the program is developed, the tester verifies that it is error free, and then the unit test is performed.

Integration testing:

  • Integration testing ensures that module or program work together in a set.
  • The integration testing scope is wider than the unit testing but not more than the system testing.
  • The errors caught by the integration testing are highest among all the testing technique.
  • It is performed by the analyst or programmer.
  • This testing ensures that the link and the interfaces between the programs work properly.
  • The procedure for the integration testing is same as that of unit testing; here also, tests are developed and then according to the tests cases are developed...

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Chapter 13 Solutions

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Ch. 13 - _______ is a form of testing that involves linking...Ch. 13 - ______allows businesses to subscribe to...Ch. 13 - During user acceptance testing (UAT), the system...Ch. 13 - _______ is the process of physically placing the...Ch. 13 - ______ is a form of system conversion that...Ch. 13 - A is a significant program change that often...Ch. 13 - _______ is the process of analysing systems to...Ch. 13 - The maintenance costs for legacy systems can...Ch. 13 - _______ consists of computer systems, manuals,...Ch. 13 - A(n) _______ is a working model of a system...Ch. 13 - _______ is an iterative systems development...Ch. 13 - ________ is an iterative system development...Ch. 13 - User-developed systems are subject to the same...Ch. 13 - It is necessary to show alignment with strategic...Ch. 13 - The ______ consists of all activities that, if...Ch. 13 - Identify and briefly discuss the five steps of...Ch. 13 - Identify five approaches an organization can take...Ch. 13 - Briefly describe unit, integration, system,...Ch. 13 - Distinguish between technical documentation and...Ch. 13 - Identify three potential sources for the initial...Ch. 13 - Briefly describe what is involved in site...Ch. 13 - Identify and briefly discuss four system cutover...Ch. 13 - How is system operation different from system...Ch. 13 - What is system review? What is its purpose?Ch. 13 - What are the key activities associated with system...Ch. 13 - What is the primary difference in approach between...Ch. 13 - Briefly discuss the key features of extreme...Ch. 13 - How is systems performance measurement related to...Ch. 13 - Identify six primary reasons for failure for...Ch. 13 - Identify the participants in the systems...Ch. 13 - Describe how you would create systems and security...Ch. 13 - You have been hired to develop a billing system...Ch. 13 - Identify and briefly describe the similarities and...Ch. 13 - Discuss the relationship between maintenance and...Ch. 13 - Assume that you are the CIO of a medium-sized...Ch. 13 - What are the advantages and disadvantages of the...Ch. 13 - You have been hired to oversee a major systems...Ch. 13 - You have been hired to implement a new customer...Ch. 13 - Identify the various forms of testing. Why are...Ch. 13 - System review: System review is a type of peer...Ch. 13 - Identify some specialists who would be assigned to...Ch. 13 - Assume that you have a personal computer that is...Ch. 13 - As a team, find two or three project managers and...Ch. 13 - Your team has been hired by the owner of a new...Ch. 13 - Your team has been asked to monitor the disposal...Ch. 13 - HealthCare.gov is a health insurance exchange...Ch. 13 - Using the Web, search for examples of...Ch. 13 - Do research on the role of project manager. What...Ch. 13 - Research possible careers in developing...Ch. 13 - How do laws affect data retention and disposal?Ch. 13 - How is data disposal similar to and different from...Ch. 13 - What are the disadvantages of leaving data...Ch. 13 - What data governance guidelines do you use in...Ch. 13 - As a business manager, would you choose to use...Ch. 13 - How would you feel as a programmer if your company...Ch. 13 - Are there any drawbacks to using a programmer...Ch. 13 - What elements of programming and software...Ch. 13 - How did Jons team coordinate with the vendor in...Ch. 13 - What did Jons team do in advance of contacting SAP...Ch. 13 - What risks were involved in the systems...Ch. 13 - What benefits were gained from this systems...

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