Information systems are composed of ________.
A) virtual objects
B) real objects
C) any object
D) computer objects
Correct Answer:
Verified
Q17: An instance is the concrete manifestation of
Q18: An object can be an instance of
Q19: A superclass results from _ a set
Q20: A subclass results from _ a superclass.
A)
Q21: The relationship among superclasses and subclasses is
Q23: A class is a(n)_ for a virtual
Q24: Which of the following is NOT a
Q25: When you use an ATM, encapsulation ensures
Q26: The phrase "object as black box" refers
Q27: Together, encapsulation and information hiding turn an
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