Consider E-wallets require customers and merchants to sign up and create accounts, then deposit and withdraw money from linked bank accounts. E-wallets like PayPalisvery popular in the worldwide. (15marks)1.Whichtype of OperatingSystem areused in E-wallets scenarios?2.Which system call will be used during customers and merchants to sign up and create accounts?3.Which system call will be used deposit and withdraw money from linked bank accounts?4.Show the State Transition Diagramof the deposit and withdraw money from linked bank accountsin E-wallets system.5.If a malicious entityaccesses an E-wallet systemthen describe the state transition diagram to terminate the malicious entity’ access.6.Show the types of processes and threads involved in E-wallet systemthrough a diagram.7.Describe the cache coherency in the E-wallet system.
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Consider E-wallets require customers and merchants to sign up and create accounts, then deposit and withdraw money from linked bank accounts. E-wallets like PayPal is very popular in the worldwide. 1.Whichtype of OperatingSystem areused
In C++ Create an inheritance hierarchy that a bank might use to represent customers’ bank accounts. All customers at this bank can deposit (i.e., credit) money into their accounts and withdraw (i.e., debit) money from their accounts. More specific types of accounts also exist. Savings accounts, for instance, earn interest on the money they hold. Checking accounts, on the other hand, charge a fee per transaction (i.e., credit or debit). Create an inheritance hierarchy containing base class Account and derived...