To Purchase an Item from an Internet Site, You Will

question 71

Multiple Choice

To purchase an item from an internet site, you will be asked to provide a credit card number. Because of ________, a computer hacker who intercepts this number as it is being sent to the seller would likely see £D¥$&0PDJLJL, or something equally as meaningless.

• A) decoding
• B) spyware
• C) encryption
• D) the firewall
• E) malware

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Definitions:

Sorted List

A list that maintains its elements in a sorted order, either ascending or descending, making it efficient for operations like searching.

Maximum Comparisons

The term usually refers to the highest number of comparisons required to complete an operation, often used in the context of sorting and searching algorithms.

Binary Search

A searching algorithm that finds the position of a target value within a sorted array by repeatedly dividing in half the portion of the list that could contain the target value.

Divide And Conquer

An algorithm design paradigm based on multi-branched recursion, breaking a problem into smaller parts, solving each part and combining the solutions.