Q1. The purpose of surrounding attributes with methods as a ‘wall’ in a class is a. better readability b. clear representation of a class c. information hiding d. easier understanding Q2 Which of the following describes about data flow modeling correctly? a. Data flow diagram depicts relationships between data objects. b. Data flow modeling represents how users interact with a software system. c. Data flow diagram indicates how data are transformed by the system. d. all of the above. Q3 Which of the following describes about behavioral modeling correctly? a. It represents functions that transform the data flow in a software system. b. It may indicate how a system responds to external events by changing its states. c. Both sequence diagram and statechart diagram can be used for this modeling. d. b and c.
Q1. The purpose of surrounding attributes with methods as a ‘wall’ in a class is
a. better readability
b. clear representation of a class
c. information hiding
d. easier understanding
Q2 Which of the following describes about data flow modeling correctly?
a. Data flow diagram depicts relationships between data objects.
b. Data flow modeling represents how users interact with a software system.
c. Data flow diagram indicates how data are transformed by the system.
d. all of the above.
Q3 Which of the following describes about behavioral modeling correctly?
a. It represents functions that transform the data flow in a software system.
b. It may indicate how a system responds to external events by changing its states.
c. Both sequence diagram and statechart diagram can be used for this modeling.
d. b and c.
Q4 In data/class design, you need to consider different kinds of classes, including:
a. entity classes
b. actor classes
c. boundary classes
d. a and c
e. a, b, and c
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