1e Requirements, Design & System Specs *

Question 1

State 4 items that should be included in a design specification (4 marks)

Answer 1

Assumptions, limitations or constraints

Input interface/forms

Output interface/forms

Validation routines

Question 2

Describe the difference between the requirements specification and the design specification (2 marks)

Answer 2

 requirements specification is developed by the systems analyst (1) design specification is developed by the systems designer (1)
 requirements specification clearly defines what the system is to do (1) design specification and how this will be achieved (1)
allow examples, e.g.
 requirements specification states what is to be stored(1) design
specification gives table structure to storing (1)