Binary Sneeze

Posts Tagged ‘Engineering’

Non functional requirements can be defined as follows:-

• In systems engineering and requirements engineering, non-functional requirements are requirements that specify criteria that can be used to judge the operation of a system, rather than specific behaviors.
• It defines the overall qualities or attributes of the resulting system.
• It places restrictions on the product being developed, the development process, and specify external constraints that the product must meet.

“A non-functional requirement is a statement of how a system must behave, it is a constraint upon the systems behavior.” Read the rest of this entry »

Line Types:

• Center lines are used to represent symmetry, and to mark the centers of circles and the axes of symmetrical parts, such as cylinders and bolts.

• Break lines are freehand lines used to show where an object is broken to reveal interior features.

• Hidden lines are used to represent features that cannot be seen in the current view. Read the rest of this entry »