A Computer Security System Requires a Unique Password for Each

question 47

Multiple Choice

A computer security system requires a unique password for each user.The passwords use only letters of the English alphabet (26 possible letters) and cannot contain any repeats; that is, any given letter can be used only once in a password.If passwords have five letters each, how many passwords are available from which to choose?

• A) 65,780
• B) 11,881,376
• C) 7,893,600
• D) 130

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Definitions:

Land

In addition to the part of the earth’s surface not covered by water, this term refers to any and all natural resources (“free gifts of nature”) that are used to produce goods and services. Thus, it includes the oceans, sunshine, coal deposits, forests, the electromagnetic spectrum, and fisheries. Note that land is one of the four economic resources.

User Costs

Expenses incurred by consumers for the use of a good, service, or asset, including maintenance, repair, and operational costs.

Total Cost Line

A graphical representation showing the total cost of producing varying quantities of output.

Extraction Cost Line

A theoretical line representing the costs associated with extracting natural resources, considering factors like accessibility and resource depletion.