CS445 / SE463 / ECE 451 / CS645 - Student.cs.uwaterloo.ca

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Sec;on 2: Overall descrip;on • Sec;ons 2.1 through 2.3 describe sources of possible constraints on requirements: – 2.1 describes exis;ng environment components that might constrain requirements – 2.2 describes desired func;onality – 2.3 describes users’ backgrounds that might affect usability issues. – You need to consider whether there are any sources of constraints on requirements or design. • Note that 2.4 isn’t NFRs per se – … but it is a set of sources of possible NFRs
Sec;on 2: Overall descrip;on 2.5 Assump?ons and Dependencies – Assump;ons about input/environmental behavior, such as • hardware never fails • ATM casing is impenetrable • limited number of transac;ons per day (sufficient paper for receipts) • limited amount of money withdrawn per day (sufficient money) • people will naturally avoid railway crossing when gate is down – What condi;ons could cause the system to fail? – What changes in the environment, could cause changes to the so,ware requirements?
Page 1 and 2: CS445 / SE463 / ECE 451 / CS
Page 3 and 4: RS vs. SRS • In prac;ce, the
Page 5 and 6: SRSs • The IEEE Recommended P
Page 7 and 8: SRS contents - Quality a_ributes
Page 9 and 10: IEEE SRS organiza;on Table of
Page 11 and 12: ATM example: Purpose This docum
Page 13 and 14: ATM example: Scope The soSware
Page 15 and 16: ATM: Defini;on vs. Abbrevia;on
Page 17 and 18: Sec;on 1. Introduc;on 1.4 Refer
Page 19 and 20: ATM: Overview The rest of this
Page 21 and 22: Sec;on 2: Overall descrip;on 2.
Page 23 and 24: 2.1 Product perspec;ve • A de
Page 25 and 26: ATM: Product perspec;ve • User
Page 27 and 28: Sec;on 2: Overall descrip;on 2.
Page 29: Sec;on 2: Overall descrip;on 2.
Page 33 and 34: Sec;on 3: Specific requirements
Page 35 and 36: Sec;on 3: IEEE organiza;on 3.2
Page 40 and 41: Sec;on 3: IEEE organiza;on 3.3
Page 42 and 43: Sec;on 3: UW organiza;on 3.1 E
Page 44 and 45: Sec;on 3: UW organiza;on 3.2.2
Page 46 and 47: Sec;on 4 (UW-‐SRS): Requirem
Page 52 and 53: Example requirements table [Joel
Page 54 and 55: Example requirements table [Alex
Page 56 and 57: Index • The index maps each

CS445 / SE463 / ECE 451 / CS645 - Student.cs.uwaterloo.ca

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