Virtual Labs

Bounded Buffer & Producer-Consumer

What does the Producer-Consumer problem demonstrate in operating systems?

a: CPU scheduling Explanation

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b: Process synchronization Explanation

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c: File handling techniques Explanation

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d: Memory management Explanation

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How do semaphores help solve the Producer-Consumer problem?

a: By preventing mutual exclusion Explanation

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b: By ensuring that a process does not access the buffer incorrectly Explanation

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c: By increasing system complexity Explanation

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d: By allowing unlimited resource access Explanation

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What is the role of a 'mutex' in the Producer-Consumer problem?

a: Allows multiple processes to access a resource simultaneously Explanation

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b: Controls access to the shared buffer to prevent race conditions Explanation

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c: Reduces memory fragmentation Explanation

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d: Increases the number of producers Explanation

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What happens when the consumer tries to consume from an empty buffer?

a: It removes the last available item Explanation

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b: It waits until the producer adds an item Explanation

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c: It continues execution without retrieving any data Explanation

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d: It terminates immediately Explanation

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What problem does a priority-based allocation approach solve in the Producer-Consumer model?

a: Deadlock Explanation

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b: Starvation Explanation

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c: Paging issues Explanation

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d: Buffer overflow Explanation

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What is a potential drawback of using busy waiting in the Producer-Consumer problem?

a: Inefficient CPU usage Explanation

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b: Increased memory consumption Explanation

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c: Higher disk I/O Explanation

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d: Enhanced performance Explanation

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How does the Producer-Consumer problem apply to real-world systems?

a: It models process execution in single-threaded environments Explanation

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b: It represents task scheduling in real-time operating systems Explanation

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c: It demonstrates static resource allocation Explanation

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d: It is not used in practical applications Explanation

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What condition must be met for a system to be in a safe state in the Producer-Consumer problem?

a: The buffer must always be full Explanation

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b: The buffer must always be empty Explanation

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c: There must be no deadlocks or race conditions Explanation

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d: The system must allow unlimited producers and consumers Explanation

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What happens when both the producer and the consumer wait indefinitely?

a: Starvation Explanation

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b: Deadlock Explanation

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c: Buffer overflow Explanation

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d: None of the above Explanation

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Which synchronization method is more efficient than semaphores in modern operating systems?

a: Spinlocks Explanation

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b: Monitors Explanation

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c: Paging Explanation

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d: Virtual memory Explanation

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