Answer:
One to One Relationship
Explanation:
Given that in a computer systems analysis about an entity-relationship model, a one-to-one relationship is a form of cardinality that involves the relationship that exists between two different entities Y and Z, such that one element Y can only be associated with one element Z, or in the other way round.
Hence, the cardinality of the friend_of relationship set between two student entities in the student entity set should be: "One to One Relationship"
The choices can be found elsewhere and as follows:
<span>a. caches
b. landing pages
c. Web crawlers
d. proxy servers
e. interstitials
</span>
I believe the correct answer is option C. Search engines use web crawlers to discover documents for indexing and retrieval. It is also known as spiders. It <span>is a software that traverses available Web links in an attempt to perform a given task.</span>
Answer:
Stand-Alone Operating Systems •Microsoft Windows Mobile –Designed for smartphones and PDAs –Includes simplified versions of Windows programs –Supports handwriting recognition and voice recording –Supports synchronizing with corresponding programs on desktop computers
Explanation:
Stand-Alone Operating Systems •Microsoft Windows Mobile –Designed for smartphones and PDAs –Includes simplified versions of Windows programs –Supports handwriting recognition and voice recording –Supports synchronizing with corresponding programs on desktop computers
