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. Designers often sketch statechart fragments to illustrate a single control process in the system.

a. true

b. false

14. The disadvantage of .NET is that it is easy to mix the layers, scattering business logic in with user-interface processes and data access logic.

a. true

b. false

15. In a deployment diagram, all of the interfaces on a single component must be listed.

a. true

b. false

16. The ODMG standards are the basis of the JDO standards, as well as some interfaces between ODBMSs and the C++ and SmallTalk programming languages.

a. true

b. false

17. Databases and DBMSs provide data access via a ____.

a. query language

b. data warehouse

c. persistent class

d. schema

18. The ____ database server architecture is commonly used to access data stored in databases with incompatible storage models or DBMSs.

a. single

b. partitioned

c. replicated

d. federated

19. When creating a relational database schema from a class diagram, add foreign keys to represent one-to-many associations.

a. true

b. false

20. Administrators access the physical store of a DBMS directly.

a. true

b. false

21. In a relational database, the uniqueness of rows within a table is guaranteed if the primary key is unique.

a. true

b. false

22. ____ is a relational database table structure in which every non-key attribute is functionally dependent on the primary key.

a. First normal form

b. Second normal form

c. Third normal form

d. Fourth normal form

23. Easy-to-learn interfaces are appropriate for office workers that use a system all day.

a. true

b. false

24. Designers should include Cancel buttons on all dialog boxes to allow users to go back one step at any time.

a. true

b. false

25. In most system development projects, analysts design system interfaces and user interfaces together because the two types require similar expertise and technology.

a. true

b. false

26. When designing for the computer medium, design for low bandwidth.

a. true

b. false

27. Tutorial help automatically displays the appropriate help topic based on the location of the cursor.

a. true

b. false

28. The associations between the frame, menu bar, and menu classes of a form are _____ relationships.

a. encapsulation

b. aggregation

c. inheritance

d. ergonomics

29. Browser forms can be displayed using any Internet browser.

a. true

b. false

30. A principle of error reduction is to reuse the information already in the computer whenever possible.

a. true

b. false

31. All DBMSs today include transaction logging as part of the DBMS software.

a. true

b. false

32. An ad hoc report is the result of a(n) ____.

a. concern raised by the programming team

b. new user query to a database

c. request based on analyst requirements

d. error detected by the system

33. Output messages that need to report on all objects within a class use a(n) ____ method.

a. external

b. class-level

c. object

d. abstract

34. ____ reports contain specific information on day-to-day business transactions.

a. Detailed

b. Summary

c. Executive

d. Exception

Ικανότητες: Μηχανολογία, HTML, Αρχιτεκτονική Λογισμικού, Δοκιμή Λογισμικού, SQL

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