When a Web page changes, _____ update their indexes and databases automatically to reflect the change.
A) picture-frame directories
B) open-ended directories
C) human-powered directories
D) crawler-based directories
Correct Answer:
Verified
Q53: _ are usually formed for people to
Q54: Which statement is true of an intranet
Q55: What are Google, Bing, and Ask are
Q56: Intranets are also called _.
A)newsgroups
B)hotspots
C)corporate portals
D)universal resource
Q57: Housed at server farms, search engines use
Q59: A _ is an information system that
Q60: Identify a true statement about virtual medicine
Q61: _ refers to a broad class of
Q62: Joey, a businessman, designs cases and covers
Q63: _ are indexes of information, based on
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