Question
1) Which C++ facility allows a single class definition to be used to construct a family of different classes, each with different arguments for the
1) Which C++ facility allows a single class definition to be used to construct a family of different classes, each with different arguments for the parameters?
a) polymorphism b) templates c) multiple inheritance
2) A (sorted) simple index allows us to more easily work with a(n) _____ file.
a) entry-sequenced b) forward sorted c) backward sorted
3) Tight binding takes place _____.
a) during the preparation of the data file
b) during program execution
4) For file applications in which record addition, deletion, and updating do occur, it is more desirable if binding occurs ______.
a) during the preparation of the data file
b) during program execution
5) For better performance on a read-only optical disk we should use binding which occurs _____.
a) during program execution
b) during the preparation of the data file
6) A secondary index ___ contain duplicate secondary keys.
a) may b) must c) must not
7) The term for that data structure in which a secondary key leads to a set of one or more primary keys:
a) entry sequence b) inverted list c) key chain d) selective index
8) The term for that data structure which contains keys for only a portion of the records in a file: a) selective index b) key chain c) entry sequence d) inverted list
9) Retrieval of a set of records based on ANY of a set of multiple criteria is a(n) ______.
a) intersection b) union c) difference d) symmetric difference
10) Retrieval of a set of records based on ALL of a set of multiple criteria is a(n) ______.
a) intersection b) union c) difference d) symmetric difference
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