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on 05-Nov-2023 (Sun)

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Annotation 7596161240332

While a manufacturer does not want to sell bad systems, equally he or she would not want to reject good systems. Therefore, the need for testing is economic.
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Annotation 7596162813196

There are, in general, two approaches to testing. We can ask whether the system works correctly (functional testing) or we can ask whether the system contains a fault (structural testing).
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Flashcard 7596167531788

Question

What is the approach to testing a system by whether it is working correctly?

Answer
functional testing

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There are, in general, two approaches to testing. We can ask whether the system works correctly (functional testing) or we can ask whether the system contains a fault (structural testing).

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Flashcard 7596168580364

Question

What testing approach is to ask whether the system contains a fault?

Answer
structural testing

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There are, in general, two approaches to testing. We can ask whether the system works correctly (functional testing) or we can ask whether the system contains a fault (structural testing).

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Flashcard 7596169628940

Question

What is the basic idea of functional testing?

Answer
ask whether the system works correctly

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There are, in general, two approaches to testing. We can ask whether the system works correctly (functional testing) or we can ask whether the system contains a fault (structural testing).

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Flashcard 7596170677516

Question

What is the basic idea of structural testing?

Answer
ask whether the system contains a fault

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There are, in general, two approaches to testing. We can ask whether the system works correctly (functional testing) or we can ask whether the system contains a fault (structural testing).

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Annotation 7596171726092

Functional testing can imply a long and difficult task because all possible states of a system have to be checked. Struc- tural testing is often easier, but is dependent upon the exact implementation of a system.
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Annotation 7596173561100

The components on a printed circuit board (PCB) may be at fault—so-called “population defects”— caused by having the wrong components, wrongly inserted components, or omitted components.
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Annotation 7596175133964

The principle of fault modeling is to reduce the number of effects to be tested by considering how defects manifest themselves.
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Annotation 7596176706828

A physical defect will manifest itself as a logical fault. This fault may be static (e.g., shorts, breaks), dynamic (components out of specification, timing failures), or intermittent (environmental factors).
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Flashcard 7596180376844

Question
The logic fault caused by a physical defect may be [kinds]
Answer
  1. static (e.g., shorts, breaks)
  2. dynamic (components out of specification, timing failures), or
  3. intermittent (environmental factors).

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A physical defect will manifest itself as a logical fault. This fault may be static (e.g., shorts, breaks), dynamic (components out of specification, timing failures), or intermittent (environmental factors).

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Flashcard 7596181687564

Question
A physical defect will manifest itself as a [...]. This fault may be static (e.g., shorts, breaks), dynamic (components out of specification, timing failures), or intermittent (environmental factors).
Answer
logical fault

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A physical defect will manifest itself as a logical fault. This fault may be static (e.g., shorts, breaks), dynamic (components out of specification, timing failures), or intermittent (environmental factors).

Original toplevel document (pdf)

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