6 Requirements Engineering for Software and Systems
Some related system requirements
Each sale shall be assigned a sales ID. ◾
Each sale may have one or more sales items. ◾
Each sale may have one or more rebates. ◾
Each sale may have only one receipt printed. ◾
Finally, the associated software specifications
1.2 e system shall assign a unique sales ID number to each sale
transaction.
1.2.1 Each sales ID may have zero or more sales items associated with it,
but each sales item must be assigned to exactly one sales ID
e systems specification in the appendix also contains numerous specifications
organized by level for your inspection.
Requirements Specifications Types
Another taxonomy for requirements specifications focuses on the t