Definition-Use Pair
The association of variables’ definitions and their usage. Variables are used, in particular, for the calculation (for example, multiplication), or the path of execution (as a predicate).
Deliverable
Any product that should be delivered to someone but the project author.
Deming Cycle
An iterative four-step problem-solving process, (plan-do-check-act), typically used in process improvement.
Dependency Testing
Testing type which examines an application’s requirements for pre-existing software, initial states and configuration in order to maintain proper functionality.
Design-Based Testing
An approach to software testing in which test cases are developed based on the architecture and/or detailed design of a component or system.
Desk Checking
Software testing by manual simulation of their performance on the test bench.
Destructive Testing
Type of testing in which the tests are carried out to the specimen’s failure, in order to understand a specimen’s structural performance or material behavior under different loads.
Development Testing
Formal or informal testing conducted during the implementation of a component or system, usually in the development environment by developers.
Diagnosing
The phase within the ideal model where it is determined where one is, relative to where one wants to be.