Question

A banking system provides users with several services: (i) to check their accounts to see recent
transactions and balances; (ii) to pay bills online; (iii) to buy and sell investments. All of these services
require a secure log-in. If the system crashes or the network connection fails during a transaction, it is
essential that all the financial data is left in a consistent state. (a) Draw use case diagrams for these requirements. (b) Give the use case specification/ description for paying a bill online.

Answer 1

Answer:

All of these services requires a secure log-in. If the system crashes or the network connection fails during a transaction, it is essential that ... (b) Give the use case specification for paying a bill online.