System qualification testing is performed to demonstrate to the acquirer that system requirements have been met. It covers the system requirements in the system/subsystem specifications and in associated interface requirements specifications.
acceptance testing is testing performed on a system .
In some engineering subdisciplines , it is known as functional testing, black-box testing , release acceptance , QA testing, application testing, confidence testing, final testing, validation testing, usability testing , or factory acceptance testing.
In most environments, acceptance testing by the system provider is distinguished from acceptance testing by the customer (the user or client) prior to accepting transfer of ownership. In such environments, acceptance testing performed by the customer is known as beta testing , user acceptance testing , end user testing, site (acceptance) testing, or field (acceptance) testing.
This process provides the framework for interactions between the reviewer and the reviewee. They may as well be the acquirer and the supplier respectively.
At a joint review, the reviewee presents the status and products of a life cycle activity of a project to the reviewer for comment (or approval). The reviews are at both management and technical levels. (ISO 12207)
This process provides the framework for formal, contractually established audits of a supplier's products or services. At an audit, the auditor assesses the auditee's products and activities with emphasis on compliance to requirements and plans. An audit may well be conducted by the acquirer on the supplier. (ISO 12207)
Validation determines whether the final, as-built system fulfills its specific intended use. The extent of validation depends upon the project's criticality. Validation does not replace other evaluations, but supplements them.
This process provides the evaluations related to verification of a product or service of a given activity. Verification determines whether the requirements for a system are complete and correct and that the outputs of an activity fulfill the requirements or conditions imposed on them in the previous activities. The process covers verification of process, requirements, design, code, integration, and documentation. Verification does not alleviate the evaluations assigned to a process; on the contrary, it supplements them.
Verification or validation may be conducted by the acquirer, the supplier, or an independent party. When they are executed by an organization independent of the supplier or developer, they are called independent verification and validation (IV&V) Process.
Performed, from one perspective, to determine how fast some aspect of a system performs under a particular workload. It can also serve to validate and verify other quality attributes of the system, such as scalability, reliability and resource usage.
Usability testing focuses on measuring a human-made product's capacity to meet its intended purpose. Examples of products that commonly benefit from usability testing are web sites or web applications, computer interfaces , documents, or devices. Usability testing measures the usability , or ease of use, of a specific object or set of objects, whereas general human-computer interaction studies attempt to formulate universal principles.
Usability testing generally involves measuring how well test subjects respond in four areas: time, accuracy, recall, and emotional response. The results of the first test can be treated as a baseline or control measurement; all subsequent tests can then be compared to the baseline to indicate improvement.
Time on Task -- How long does it take people to complete basic tasks? (For example, find something to buy, create a new account, and order the item.)
Accuracy -- How many mistakes did people make? (And were they fatal or recoverable with the right information?)
Recall -- How much does the person remember afterwards or after periods of non-use?
Emotional Response -- How does the person feel about the tasks completed? (Confident? Stressed? Would the user recommend this system to a friend?)
A security measure which protects against the disclosure of information to parties other than the intended recipient that is by no means the only way of ensuring confidentiality.
A measure intended to allow the receiver to determine that the information which it receives has not been altered in transit or by other than the originator of the information.
Integrity schemes often use some of the same underlying technologies as confidentiality schemes, but they usually involve adding additional information to a communication to form the basis of an algorithmic check rather than the encoding all of the communication.
A measure designed to establish the validity of a transmission, message, or originator.
Allows a receiver to have confidence that information it receives originated from a specific known source.