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. Given a situation where Alex and Andrew share a bank account with Current Balance RM600 for their business. The banking system uses two methods deposit (amount) and withdraw (amount) to access bank account. Alex's program calls the deposit(RM150) and reads the Current Balance of RM600. Before the new Current Balance is saved, Andrew's program calls the withdraw(RM200) and reads the Current Balance of RM600. Alex's program changes the shared variable Current Balance to RM750 while Andrew's program changing the Current Balance variable to RM400. However, the total balance in bank account after the transactions should be RM550. Explain what can be done to prevent this race condition from occurring.

. Given a situation where Alex and Andrew share a bank account with Current Balance RM600 for their business. The banking system uses two methods deposit (amount) and withdraw (amount) to access bank account. Alex's program calls the deposit(RM150) and reads the Current Balance of RM600. Before the new Current Balance is saved, Andrew's program calls the withdraw(RM200) and reads the Current Balance of RM600. Alex's program changes the shared variable Current Balance to RM750 while Andrew's program changing the Current Balance variable to RM400. However, the total balance in bank account after the transactions should be RM550. Explain what can be done to prevent this race condition from occurring.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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a. Given a situation where Alex and Andrew share a bank account with Current Balance RM600 for their business. The banking system uses two methods deposit (amount) and withdraw (amount) to access bank account. Alex's program calls the deposit(RM150) and reads the Current Balance of RM600. Before the new Current Balance is saved, Andrew's program calls the withdraw(RM200) and reads the Current Balance of RM600. Alex's program changes the shared variable Current Balance to RM750 while Andrew's program changing the Current Balance variable to RM400. However, the total balance in bank account after the transactions should be RM550. Explain what can be done to prevent this race condition from occurring.
Transcribed Image Text:a. Given a situation where Alex and Andrew share a bank account with Current Balance RM600 for their business. The banking system uses two methods deposit (amount) and withdraw (amount) to access bank account. Alex's program calls the deposit(RM150) and reads the Current Balance of RM600. Before the new Current Balance is saved, Andrew's program calls the withdraw(RM200) and reads the Current Balance of RM600. Alex's program changes the shared variable Current Balance to RM750 while Andrew's program changing the Current Balance variable to RM400. However, the total balance in bank account after the transactions should be RM550. Explain what can be done to prevent this race condition from occurring.
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