unattractiveness - an ugliness of appearance that is not appealing to viewers. 1  ugliness - qualities of appearance that do not give pleasure to the senses. 2  shapelessness - the quality of lacking an esthetically pleasing shape.
Let us first understand what implementation means. Implementation is the process of putting an action for the formulated plan. Before we implement, the plan should have been completed and our objectives should be clear. Testing each one of those actions formulated in the plan is said to be implementation testing.
In the context of software systems and software engineering, system integration testing (SIT) is a testing process that exercises a software system's coexistence with others.With multiple integrated systems, assuming that each have already passed system testing, SIT proceeds to test their required interactions.Following this, the deliverables are passed on to acceptance testing.ith multiple integrated systems, assuming that each have already passed system testing, SIT proceeds to test their required interactions. Following this, the deliverables are passed on to acceptance testing.