It is recommended that you create a compressed file disk right after you install or upgrade an operating system on your computer. ____________________
Answer the following statement true (T) or false (F)
False
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What is one drawback in using non-integer Step sizes of type Double?
(A) Round-off errors may cause unpredictable results. (B) Non-integer Step sizes are invalid in Visual Basic. (C) A non-integer Step size is never needed. (D) Non-integer Step sizes usually produce infinite loops.
Examining the sequence diagram you produced in Exercise 5–4, identify the associations between these objects.
What will be an ideal response?
Answer the following statements true (T) or false (F)
1. It is possible (and can be useful) to keep multiple index files on a single data file. 2. Use of an index file increases the number of required block accesses of the data file, especially for adds and removals. 3. When external hashing is used, you hash the index file instead of the data file 4. It is not possible to organize an index file as an external 2-3 tree. 5. In an external environment, the advantage of keeping a search tree short far outweighs the disadvantage of performing extra work, such as comparisons, at each node.
List three different product categories where organizations reduce costs by adopting technology product standards.
What will be an ideal response?