What is the difference between QA and Testing?
QA stands for "Quality Assurance", and focuses on "Prevention" of defects in the product being developed. It is associated with the "Process" and activities related to the Process Improvement. Quality Assurance measures the quality of the processes employed to create a quality product. Whereas "Testing" refers to "Quality Control", and focuses on Detection of Defect and removal thereafter. Or Quality Control measures the quality of a product.
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What is the difference between Software Testing & Debugging?
Testing is the process of locating or identifying the errors or bugs in a software system. Whereas Debugging is the process of Fixing the identified Bugs. It involves a process of analyzing and rectifying the syntax errors, logic errors and all other types of errors identified during the process of testing.
What is the difference between a Bug and a Defect?
"Bug" is a problem or an error in the software code, which is found in the application during Testing. Bug is responsible for failure of the application to comply with the desired specifications. Whereas "Defect" is problem reported by the customer during usage of the software application.
What is the difference between a Bug and an Enhancement?
"Bug" is a problem or an error in the software code, which is found in the application during Testing. Bug is responsible for failure of the application to comply with the desired specifications. Whereas "Enhancement" is the additional feature or functionality found and added to the application as desired by the end user / real word customer or tester during the testing process.
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What is the difference between Requirements & Specifications?
"Requirements" are statements given by the customer as to what needs to be achieved by the software system. Later on these requirements are converted into specifications which are nothing but feasible or implementable requirements. Whereas "Specifications" are feasible requirements derived from various statements given by the customer. These are the starting point for the product development team.
What is the sequence of succession in STLC - Software Testing Life Cycle?
1) Test Planning
2) Test Analysis
3) Test Design
4) Construction and verification
5) Testing Cycles
6) Final Testing and Implementation and Post Implementation.
2) Test Analysis
3) Test Design
4) Construction and verification
5) Testing Cycles
6) Final Testing and Implementation and Post Implementation.
What is the difference between Verification and Validation?
"Verification" involves reviews and meetings to evaluate documents, plans, code, requirements, and specifications to confirm whether items, processes, services, or documents conform to specified requirements or not. This can be done with the help of checklists, issues lists, walkthroughs, and inspection meetings. The purpose of verification is to determine whether the products of a given phase of the software development cycle fulfill the requirements established during the previous phase or not. Whereas "Validation" is the determination of the correctness of the final program or software product produced from a development project with respect to the user needs and requirements. This involves actual testing of the product and takes place after verifications are completed. "Software Verification" raises the question, "Are we building the Product Right?"; that is, does the software conform to its specification. "Software Validation" raises the question, "Are we building the Right Product?"; that is, is the software doing what the user really requires.
What is the difference between a Test Plan and a Use Case?
"Test Plan" is a document describing an introduction to the client company, intended scope, overview of the application, test strategy, schedule of testing activities, roles and responsibilities, deliverables and milestones. It describes test items, features to be tested, testing tasks, details of the personnel performing each task and any risks requiring contingency planning. Whereas a "Use Case" describes the process as to how an end user uses a specific functionality in the application. It is a summary of user actions and system response to the user actions. It contains the flows like typical flow, alternate flow and exceptional flow. It also contains pre condition and post condition.
What is the difference between Bug Priority & Bug Severity?
"Bug Priority" is the need on how urgently bug is needed to be fixed. It describes the importance of the bug. Bug priority may change according to the schedule of testing. Whereas "Bug Severity" is the quantum of danger as to how badly the bug can harm the system. It describes as to how bad the bug is. Severity is a feature of constant nature associated with the bug.
What is difference between Waterfall Model and V Model?
"Waterfall Model" Is a sequential software development model (a process for the creation of software) in which development is seen as flowing steadily downwards (like a waterfall) through the phases of requirements analysis, design, implementation, testing (validation), integration, and maintenance. To follow the waterfall model, we proceed from one phase to the next in a purely sequential manner. In traditional waterfall model, testing comes at the fag end of the development process. Whereas "V Model" or "Life Cycle Testing" involves carrying out verification of consistency, completeness and correctness of software at every stage of the development life cycle. It aims at catching the defects as early as possible and thus reduces the cost of fixing them. It involves continuously testing the system during all stages of the development process rather than just limiting testing to the last stage.
What are Baseline Documents?
Baseline documents are the documents, which have been approved by the customer and will not have any more changes. Baseline Documents cover all the details of the project and have undergone "walkthrough" process. Once a document is Base-lined it cannot be changed unless there is a change request duly approved by the customer. Service Level Agreement (SLA) & Business Requirement Documents (BRD) are the examples of Baseline Documents.
What is Defect Density?
"Defect Density" Is a software metric defined as: Total number of defects per LOC (lines of code). Alternatively It can be: Total number of defects per Size of the Project. Here the measure of "Size of the Project" can be number of Function Points, Number of Feature Points, number of Use Cases or KLOC (Kilo Lines of Code) etc
What is Negative Testing?
"Negative Testing" involves testing the application for failure like conditions. It involves testing the tool with improper inputs. For example entering the special characters in place of a phone number.
What is Incremental Integration Testing?
"Incremental Integration Testing" Involves continuous testing of an application while new functionality is simultaneously added. It requires that various aspects of an application's functionality be independent enough to work separately before all parts of the program are completed. This testing is done either by programmers or by testers.
What is the difference between Unit Testing, Component Testing and Integration Testing?
"Unit Testing" involves testing of individual programs, modules, or components to demonstrate that the program executes as per the specification and it validates the design and technical quality of the application. In Unit Testing, the Called Components (or Communicating Components) are replaced with Stubs, Simulators, or Trusted Components. Testing Stubs or Drivers are used to simulate the behavior of interfacing modules. "Component Testing" is like "Unit Testing" with the difference that all Stubs and Simulators are replaced with the real objects. Here a Unit is a component, and integration of one or more such components is also a Component. Whereas "Integration Testing" is the test process which begins after two or more programs components have been successfully unit tested. It is conducted by the development team to validate the interaction or communication/flow of information between the individual components that will be integrated.
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