Answer Happy

What is the primary purpose of a class diagram? Select one: a to present a diagram of the software class b. to describe the class structure of the software c. to show a diagram of different classes of software d. to describe the software based on a set of classes The requirement specification language Select one: a. is a natural language that the end user communicates b. is adapted from the design specification language C. is a programming language that the developer uses d. is a mathematical language that makes precise the requirements Which of the followings is a constraint on an attribute? Select one: a, the frequency of each word in a document is the number of its occurrences b. a word may appear in one or more documents C. each document may have one or more words d. a document matches a query if it contains all of the query's keywords The requirement specification of a software function Select one: a defines the function with all the required information b. does not include the return type nor the pre-conditions c. makes precise the pre- and post-conditions of the function d. describes the detailed input and output of the function

Which of the followings lists the basic modelling constructs of an UML class diagram? Select one: a. class, relationship b. entity, association C. class, entity d. relationship, entity e. class, association Which of the following best describes the steps that are performed at each design iteration? Select one: a. select a requirement specification and identify the helper abstractions O b. select suitable abstractions to focus on and identify the helper abstractions C. select an abstraction to create a sequence diagram for it d. select an abstraction to create a class diagram for it Which of the following best describes the object-oriented design technique named "decomposition by abstraction"? Select one: a iteratively decompose a system into smaller systems b. decompose each software function and create/use abstractions as required to perform the functions C. decompose a system into classes and to create/use methods of these classes d. decompose a system into functions and to create/use procedures to perform them o Which of the following best describes the output of object oriented software design? Select one: a design models and diagrams b. detailed requirement specification and diagrams C. design specification and diagrams O d. data design specification and diagrams e. functional design specification and diagrams O