Difference: SEQuiz112014Sol (1 vs. 2)

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Chapter 11 Quiz

Question

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 There are two reasons for this:
  1. The use of more expensive development techniques and hardware that are required to achieve the higher levels of dependability.
  2. The increased testing and system validation that is required to convince the system client and regulators that the required levels of dependability have been achieved.
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META TOPICMOVED by="JimSkon" date="1395866719" from="CsDept.SEQuiz112014Sol" to="Main.SEQuiz112014Sol"

Revision 12014-03-26 - JimSkon

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META TOPICPARENT name="Main.SE2014Quizzes"

Chapter 11 Quiz

Question

  1. What is the mathematical relationship between the level of dependability of a system, and cost of achieving that level?
  2. Why does this relationship exist?

Answer

Dependability costs tend to increase exponentially as increasing levels of dependability are required.

There are two reasons for this:

  1. The use of more expensive development techniques and hardware that are required to achieve the higher levels of dependability.
  2. The increased testing and system validation that is required to convince the system client and regulators that the required levels of dependability have been achieved.
 
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