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Getting into SQA

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Sonia Pascua

on 26 April 2011

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Transcript of Getting into SQA

SOFTWARE QUALITY ASSURANCE SONIA M. PASCUA
Applications Development Training Officer
Deputy QMR (ISO 9001-2008)
UP ITTC
smpascua@ittc.up.edu.ph Why do you think Software Quality Assurance is important? Ariane 5 loose $7 billion, 1996
It took the European Space Agency 10 years and $7 billion to produce Ariane 5. All it took to explode that rocket less than a minute was a small computer program trying to stuff a 64-bit number into a 16-bit space. AT&T long distance service fails for nine hours, 1990
The nine-hour breakdown of AT&T's long-distance telephone network, computer in New York City had come to believe it was overloaded with calls, and it started to reject them. The bug is only one line ‘break;’ statement missing.
NASA lost The Mars Climate Orbiter, 1999
Subsequent analysis of the failure determined that the principle cause of the failure was confusion in units, instead of sending thrust information to the orbiter in Newtons (Kg), the instructions were in pounds, a factor of 2.2 times greater. How do you define quality? QUALITY is conformance of customer requirements QUALITY is fitness for intended use QUALITY is meeting both implied and specified need of the customer 2 views of quality Supplier Perspective Customer Perspective Supplier is keen in meeting the requirements. Customer is keen in fitness for intended us There is always a gap between these perspectives. Why? There is a need for constant communication and frequent meeting by the supplier with the cutomer. Due to the presence of
impliedness
uniqueness as a human
skills acquired
intellect How is this problem resolved? Get clearer picture of what the customer needs. Quality Control Quality Assurance How about quality control and quality assurance? They are totally Different with each other! is product oriented
a line function is process oriented
a staff function. Quality Control is reactive. Quality Assurance is proactive. Quality Control defect detection Quality Assurance is defect prevention. Quality of process governs the quality of final product. PROCESS FORMULA

Passion - Process = Anarchy
Process - Passion = Bureaucracy
Process + Passion + Pride = QUALITY The US$55 million Delta II rocket the Air Force used to launch a global positioning satellite had self-destructed. There were no injured personnel. The 17 inches long crack on the rocket buster was the cause of the explosion. Getting into
consists of a means of monitoring the software engineering processes and methods used to ensure quality. What is SQA? Quality Assurance  measures the quality of processes used to create a quality product
A QA review would focus on the process elements of a project A set of activities designed to ensure that the development and/or maintenance process is adequate to ensure a system will meet its objectives. QA activities ensure that the process is defined and appropriate. Methodology and standards development are examples of QA activities. Demographics! to get a job A new market niche everybody can learn it and everybody can do it What's in it for me? It does this by means of audits of the quality management system under which the software system is created. These audits are backed by one or more standards, usually ISO 9000 or CMMI. http://prezi.com/5gh1mimqcndy/getting-into-sqa/ Careers in IT
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