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Amazoncom Uses __________ to Compare Each User's Purchases with the Purchases

question 107

Multiple Choice

Amazon.com uses __________ to compare each user's purchases with the purchases of other users with similar preferences to create a list of purchase recommendations. Based on a customer's desire to purchase an author's e-book for her Kindle, Amazon might recommend an e-book by a similar author within the same genre.


Definitions:

NULL Pointer

A pointer that does not point to any object or function, effectively representing the absence of a value or a null reference.

Sentinel

A special value used in programming to indicate the end of a data structure, such as an array or list.

Indirection Operator

The '*' operator in C and C++, used to access the value at the address pointed to by a pointer variable.

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