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Download - 07 requirements analysis - Department of Computer …Requirements analysis is about identifying this purpose Inadequate understanding of the purpose leads to poor quality software

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Page 1: 07 requirements analysis - Department of Computer …Requirements analysis is about identifying this purpose Inadequate understanding of the purpose leads to poor quality software

lecture'7:'requirements'analysis'

!csc302h!

winter!2014!

recap'from'last'4me''

•  managing!risk!in!the!context!of!so7ware!projects:!assessment!+!control!

•  risk!exposure:!–  RE!=!probability!×!consequences!(loss)!

•  risk!reducHon!leverage:!–  RRL!=!(REbefore!–!REa7er)!÷!cost!of!miHgaHng!acHon!–  for!ROI!calculaHons!and!comparison!

•  risk!assessment!–  quanHtaHve!(if!you!can)!–  qualitaHve!(risk!exposure!matrix)!

recap'from'last'4me'(2)'

•  discussed!some!of!the!most!common!so7ware!engineering!risks!&!countermeasures!

•  case!studies!(&!lessons)!–  failed!mars!missions!–  theracP25!(from!risks!digest!forum)!–  annoying!oil!tank!with!a!phone!!

•  don’t!have!iv&v!report!to!the!development!manager!(conflict!of!interest,!that’s!what!the!“i”!is!for)!

•  principles!of!risk!management!

Page 2: 07 requirements analysis - Department of Computer …Requirements analysis is about identifying this purpose Inadequate understanding of the purpose leads to poor quality software
Page 3: 07 requirements analysis - Department of Computer …Requirements analysis is about identifying this purpose Inadequate understanding of the purpose leads to poor quality software
Page 4: 07 requirements analysis - Department of Computer …Requirements analysis is about identifying this purpose Inadequate understanding of the purpose leads to poor quality software
Page 5: 07 requirements analysis - Department of Computer …Requirements analysis is about identifying this purpose Inadequate understanding of the purpose leads to poor quality software
Page 6: 07 requirements analysis - Department of Computer …Requirements analysis is about identifying this purpose Inadequate understanding of the purpose leads to poor quality software
Page 7: 07 requirements analysis - Department of Computer …Requirements analysis is about identifying this purpose Inadequate understanding of the purpose leads to poor quality software

next%week:%%from%requirements%to%design%


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