You want to find information about Java. You visit a popular search engine and manually search
through a directory tree of topics until you find a directory titled “Computers” and a subdirectory
titled “Programming Languages.” You select the topic “Java” and look through a list of indexed
pages on that topic, then choose one page with which to begin your research. Which type of
search index did you use?

A.
Boolean index

B.
Keyword index

C.
Static index

D.
Full-text index