| Item |
Description |
| Understandability |
The capability of the software product to enable the user to understand whether the software is suitable, and how it can be used for particular tasks and conditions of use. |
| Unit testing |
The testing of individual software components |
| Unreachable code |
Code that cannot be reached and therefore is impossible to execute. |
| Unstructured Decisions |
This type of decision situation is complex and no standard solutions exist for resolving the situation. Some or all of the structural elements of the decision situation are undefined, ill-defined or unknown. |
| Usability |
The capability of the software to be understood, learned, used and attractive to the user when used under specified conditions. |
| Use case testing |
A black box test design technique in which test cases are designed to execute user scenarios. |
| User acceptance testing |
Formal testing conducted to enable a user, customer or other authorised entity to determine whether to accept a system or component. |
| User test |
A test whereby real-life users are involved to evaluate the usability of a component or system. |
| User-Friendly |
An evaluative term for a System's user interface. The phrase indicates that users judge the user interface as to easy to learn, understand, and use. |
