In this activity, we will see some examples of writing requirements, that will be placed in SRS.

Non-Functional Requirements Examples:

Security:

SR001

Access permissions for the particular system information shall only be changed by the systems data administrator.

Performance:

PR001

The front-page load time shall not be more that 2 seconds for users that access the website using an LTE mobile connection

Scalability:

SR001

The website attendance limit shall be scalable enough to support 200,000 users at a time.

Reliability of Patience monitoring system

RR001

the system may fail for up to 1hr/year, but in those cases doctors/nurses should be alerted of the failure. More frequent failure of individual components is not acceptable.

For a new ATM system, you have been told to make an intuitive and self-explanatory system and the

requirement statement is 95% of the existing bank customers shall be able to withdraw money and deposit cheques within two minutes of encountering the product for the first time

Functional Requirements Example

A few functional requirements for a customer to work on an interface software:

CR001	A customer shall be able to engage their menu by double tapping the activated surface computer in their table.
CR002	A customer shall be able to dismiss their menu by double tapping its dismiss option.

Another user of the system is the chef. The requirements for the chef are:

CHR1	A chef shall be able to accept a customers order item through a display.
CHR2	A chef shall be able to reject a customers order item through a display.

To do:

Q1. Study the case study given below. Write five functional and five non-functional requirements for this system: [10 marks]

A web-based system is developed that will support the marketing of products of the company XYZ ltd. directly to its customers as well as through the existing sales agent network. Right now, advertising of products, inventory control, and account billing are not part of this project. For this project, a web search engine and language translator will be obtained as purchased components. Their internal details are not part of this project. Issues of website security, other than Password Protection within the site, are not part of this project.

Identify 5 functional requirements and 5 non functional requirements of this new system.

Requirement #	Description

Requirement #	Type	Description
	Security