A Computer Password Is Composed of Seven Characters

question 25

Multiple Choice

A computer password is composed of seven characters. If each character must be a letter (A - Z) , then how many different passwords can be constructed so that the password is the same both forwards and Backwards? (Note: Examples would be ETTFTTE or RACECAR.)

• A) 245712
• B) 358800
• C) 456976
• D) 5866254125
• E) None of the above.

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Definitions:

Parallel Distributed Processing

Parallel Distributed Processing is a model in cognitive science that postulates that information processing occurs through networks of interconnected units, simulating how neural networks in the brain process information.

Memory

The faculty by which the mind stores and remembers information.

Network

A group or system of interconnected people or things, often referring to computers or telecommunications.

Retrieval

The process of accessing and bringing into consciousness information stored in memory.