A banking system provides users with several services:
a) to check their accounts to see recent transactions and balances;
b) to pay bills online;
c)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, all the financial data must be left in a consistent state.
a) Draw use case diagrams for these requirements. (Use standard symbol and shapes. MS Office Visio or Figma are optional tools)
b) Give the use case specification for paying a bill online.
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