Question $3$

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$40$ Marks

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Study the scenario and complete the question$($s$)$ that follow:

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Classic Deadlock Scenario Between Concurrent Applications

Two applications, Process $1$ and Process $2,$ are running concurrently on a system. Process $1$ requires access to Resource $1$ and Resource $2$ to complete its operations, while Process $2$ needs Resource $2$ and Resource $1.$ As both applications execute, they end up waiting for each other, creating a classic deadlock situation. Users notice that both applications become unresponsive during this time, impacting productivity.

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$1.$Illustrate how a deadlock could occur in this scenario.

$(15$ Marks$)$

$2.$What steps can the operating system take to prevent or resolve the deadlock? Provide a diagram to support your explanation.$$

$(25$ Marks$)$

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End of Question $3$