What is a use case narrative?

Use-case narrative – a textual description of the business event and how the user will interact with the system to accomplish the task.

What is a use case scenario explain with ATM example?

Customer (actor) uses bank ATM to Check Balances of his/her bank accounts, Deposit Funds, Withdraw Cash and/or Transfer Funds (use cases). ATM Technician provides Maintenance and Repairs. All these use cases also involve Bank actor whether it is related to customer transactions or to the ATM servicing.

What is a use case narrative vs use case model?

Use case diagrams show the use cases within the scope of the system and the actors in the environment with which each use case is associated. There is a least one use case narrative for each use case. A use case narrative is a structured narrative showing what the system must do to respond to a specific event.

What is a use case description?

A use case is a written description of how users will perform tasks on your website. It outlines, from a user’s point of view, a system’s behavior as it responds to a request. Each use case is represented as a sequence of simple steps, beginning with a user’s goal and ending when that goal is fulfilled.

How do you write a narrative use case?

To create the narrative we include the following:

1. A number and name that identify the use case.
2. The pre-and post-conditions describe the scope of each use case.
3. A matrix with what the actor does and how the system responds to each actor request.
4. Primary, alternate, and exception flows, which we explain below.

How can we withdraw money from ATM?

How to withdraw money from an ATM?

1. Step 1: Insert ATM Card:
2. Step 2: Select Language.
3. Step 3: Enter 4-Digit ATM Pin:
4. Step 4: Select the type of Transaction:
5. Step 5: Select the Type of Account:
6. Step 6: Enter the withdrawal amount.
7. Step 7: Collect the Cash:
8. Step 8: Take a printed receipt , if needed:

What is use class diagram?

In UML, class diagrams are one of six types of structural diagram. You can use class diagrams to model the objects that make up the system, to display the relationships between the objects, and to describe what those objects do and the services that they provide. …

How is an ATM used in a use case?

The use case begins when the actor Customer inserts their bank card into the card reader on the ATM. The system allocates an ATM session identifier to enable errors to be tracked and synchronized between the ATM and the Bank System. 4.2 Read Card The system reads the bank card information from the card. 4.3 Authenticate Customer

How to write use case narrative ( withdraw of cash )?

Use case narrative Name Withdraw Cash Number 11.0 Author Gregor Hohpe Last update 4/1/2008 Assumptions The user has provided a valid card and p

What happens if an ATM reader cannot read a card?

(If the reader cannot read the card due to improper insertion or a damaged stripe, the card is ejected, an error screen is displayed, and the session is aborted.) The customer is asked to enter his/her PIN, and is then allowed to perform one or more transactions, choosing from a menu of possible types of transaction in each case.

What happens when a transaction is aborted in an ATM?

When the customer is through performing transactions, the card is ejected from the machine and the session ends. If a transaction is aborted due to too many invalid PIN entries, the session is also aborted, with the card being retained in the machine.