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Review questions

1:How can you distinguish an index file from a PDF file?
A1: In Acrobat, the file extension PDX identifies a file as an Acrobat index.
2:What does the Search Results dialog box display?
A2: The Search Results dialog box lists the documents that contain the word or words you searched for and displays how many documents were searched and how many were found to contain the words.
3:How does the Word Stemming option expand your search results?
A3: The Word Stemming option tells Search to look also for words that share the same word stem. For example, searching for the word “hiking” also finds occurrences of “hike” or “hiked.”
4:What key do you press to do a refined search?
A4: A refined search is one in which Search looks only at the documents in your current search results list and applies the new search criteria (instead of searching the index completely from scratch). To do a refined search, hold down Ctrl (Windows) or Option (Mac OS) to change the Search button in the dialog box to Refine.
5:Why should you enter document properties information—Title, Subject, Author, Keywords—in all your PDF documents?
A5: To give users more ways to search for information, you should fill in the Title, Subject, Author, and Keywords text boxes in the Document Summary dialog box with the relevant information. Users can search for this specific information and use the title, subject, and keywords as they would index terms to refine their searches.
6:Give two examples of Boolean expressions and explain what they do.
A6: AND, NOT, and OR are Boolean expressions used in searches, as follows:
  • AND combines two or more search terms.

  • OR searches for any of two or more search terms.

  • NOT excludes terms from searches.

7:What are stopwords?
A7: Stopwords are words that you exclude from an index to minimize the size of the index file or reduce it by 10% to 15%. Stopwords are usually words that would not be entered as search terms; for example, articles such as “the” and “a,” conjunctions such as “but” and “or,” and prepositions such as “for” and “by.”
8:How can an index user find out which, if any, stopwords were excluded from an index?
A8: Listing the stopwords in the index description helps users find out what stopwords were excluded from the index.
9:When would you not include numbers in an index?
A9: You should exclude numbers from an index that doesn't pertain specifically to numbered information, such as in a guide book or descriptive text. You should include numbers in an index if users would be searching for numbers, for example, for technical specifications, addresses, part numbers, or phone numbers.
10:When should you purge an index?
A10: You should purge and rebuild an index periodically to reclaim disk space and speed up searches.
11:What is the difference between searching for a phrase with quotation marks and without quotation marks?
A11: Searching for a phrase enclosed in quotation marks finds the verbatim phrase. Searching for a phrase without quotation marks finds the terms within close proximity in the document.



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