Semantics
第1题:
System analysis is traditionally done top-down using structured analysis based on (71) .Object-oriented analysis focuses on creation of models.The three types of the analysis model are (72) .There are two substages of object-oriented analysis. (73) focuses on real-world things whose semantics the application captures.The object constructed in the requirement analysis shows the (74) of the real-world system and organizes it into workable pieces. (75) addresses the computer aspects ofthe application that are visible to users.The objects are those which can be expected to vary from time to time quite rapidly.
(71)
A.functional decomposition
B.object abstraction
C.data inheritance
D.information generalization
第2题:
第3题:
Semantics is the study of " the relations of signs to the objects to which the signs are applicable".()
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第8题:
A. All objects in the database
B. Tables owned by SYS and SYSTEM
C. Data dictionary tables
D. NCHAR columns
E. CHAR columns
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