Form 1.1: Due by Sept. 28 at midnight.

Email to Baris Aydinlioglu (


Document reviewed:

List the faults you discovered below, specifying the page number and the requirement in which each is found. Use the following codes for describing the fault class:

A Ambiguity

E Extraneous Information

IF Incorrect Fact

II Inconsistent Information

O Omission

M Miscellaneous Defect (e.g. requirement in the wrong section of the document)

Also rate the severity of the fault by assigning a rating for "importance" and "probability of causing an error" based on the following scales:


  1. not important, designer should easily see the problem
  2. problem, if a failure occurs it should be easy to find and fix (e.g. change to 1 module)
  3. important, if a failure occurs, it could be hard to find and fix (e.g. change to several modules)
  4. very important, if a failure occurs, it could cause a redesign

Probability of causing failure:

  1. will not cause fault or failure, will be caught by designer
  2. could cause a failure but will most likely be caught by designer
  3. would cause a failure

An example is provided. Take as much space as you need, and separate each fault with a blank line. Remember to keep a copy of this information for yourself!

When done, skip down to the end and answer the questions there.

Fault # Page # Req. # Importance Prob. Class Desc.

------ ------ ------ ---------- ----- ----- -----

0 3 FR5 1 2 A Since this isnt a real fault well assign it a number of 0. Number your faults starting from 1, of course. This fault should describe some ambiguous information found in functional requirement 5 on page 3. (If you cannot specify the requirement number - for example, some faults may affect a whole section of the document - leave this field blank.) This fault has a high probability of causing a failure (prob = 2) but is not too important because it should be easy to find and fix (importance = 1). In the description you need to explain exactly what the fault is so that it could be corrected.


Please answer the following questions. Your answers will be used to help us better understand the process, and will not impact the grading of this assignment:

  1. How much time did you take to find faults (report just the time spent on looking for faults, not including interruptions, breaks, or other non-related activities)?
  2. What percentage of the faults in the document do you think you found?


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