$.$ Instruction: Identify what is wrong with each of the following as a SRS sentence.

If it is wrong, discuss how we may correct it$.$

$1.$ Although required by law, the patient$$s SS# will not be used to index patient records.

Instead, each patient has his$/$her own unique patient ID#$.$

$2.$ As soon as the temperature recorded is above $750\backslash$deg F$,$ the system must initiate the

broadcast of an alert message to all sub$-$stations in $0\mathrm{.}5$ seconds.

$3.$ The machine status is color coded for five different flagged situations. The user

interface needs to allow user customization to select five appropriate colors to

distinguish the situations. Include the user's need to accommodate color blindness.

B$.$ Instructions: Distinguish whether each of the following is a "needs" statement,

or a software requirement specification $($SRS$).$ If it is a needs statement, discuss

how we may proceed to re$-$work it into a SRS$.$

$4.$ All transactions must be properly logged to meet the requirements by law.

P a g e $2|3$

$5.$ The user should be provided with various input options to complete the form,

including guidance by a software wizard, but convenience for the user needs to be a

high priority.

$6.$ Input data must be validated before submission to the server to defend against

malicious intruder to the network.

C$.$ Instructions: Discuss how each of the following expressed "needs" statement

may be developed into a Use Case description for analysis and requirements

specification and eventually a good design.

$$ Could a Decision Tree be used?

$$ Could a Decision Table $($truth table$)$ be used?

$$ Could a Use Case be used?

$7.$ To order the pizza online, the customer should be able to conveniently specify size

and various combinations for the choice of toppings. But certain toppings, with

price discount would be offered only for the large pizza.

$8.$ Upon receipt of the student's registration request to enroll, the system will check to

make sure that the student has paid all outstanding fees. Otherwise, the request will

be put on hold or denied.

$9.$ To allow the customer check out, the cashier must scan every item, apply the

coupons $-$ some may be applicable, and some may not $-$ and then allow different

forms of payment for the purchase.

Instruction: Read the given stated need and suggest implied need$($s$).$

$10.$ Stated Need: The software system shall require a user id and password for access.

Implied Need $($s$)$:

P a g e $3|3$

$11.$ Stated Need: The software shall permit the use of Credit Card for merchandise

purchase.

Implied Need $($s$)$:

$12.$ Stated Need: The pop up window shall have a $$cancel$$ button.

Implied Need $($s$)$: