Unit-3 Process Synchronization
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Questions and Answers

Which synchronization tool allows processes to synchronize their activities in a more sophisticated way than Mutex locks?

  • Critical Section
  • Busy Waiting
  • Spin Locks
  • Semaphore (correct)

What is the purpose of Mutex locks in a system?

  • To increase the complexity of synchronization
  • To protect critical sections of code (correct)
  • To keep processes waiting indefinitely
  • To execute all processes simultaneously

What does S=0 signify in the context of Semaphore usage?

  • The process is terminated
  • The Semaphore is in a busy state (correct)
  • The Semaphore is locked
  • The process can proceed without any restrictions

What is a common issue associated with Mutex locks that is also known as 'SPIN LOCK'?

<p>Busy Waiting (B)</p> Signup and view all the answers

Which atomic operations can be used to access a Semaphore variable S?

<p>Wait() and Signal() (C)</p> Signup and view all the answers

In the context of synchronization tools, what does 'Mutex' stand for?

<p>'Mutual Exclusion' (D)</p> Signup and view all the answers

What is the main objective of process synchronization?

<p>To prevent inconsistent data due to concurrent access (A)</p> Signup and view all the answers

Which of the following is NOT a synchronization technique used in a multi-process system?

<p>Registers (B)</p> Signup and view all the answers

What is the critical-section problem primarily concerned with?

<p>Ensuring the consistency of shared data (A)</p> Signup and view all the answers

Why is synchronization necessary in a multi-process system?

<p>To ensure data consistency and integrity (A)</p> Signup and view all the answers

What happens if the order of execution of cooperating processes is not preserved?

<p>Con icts in execution (D)</p> Signup and view all the answers

Which term describes a process that can affect the execution of other processes?

<p>Cooperative process (A)</p> Signup and view all the answers

What is the purpose of process synchronization?

<p>To ensure the orderly execution of cooperating processes (C)</p> Signup and view all the answers

Which statement best describes the producer-consumer problem?

<p>It is a problem where the producer and consumer processes must access shared buffers in a coordinated manner to avoid data inconsistency (C)</p> Signup and view all the answers

What is the purpose of the integer counter in the producer-consumer solution?

<p>To keep track of the number of full buffers (C)</p> Signup and view all the answers

What is a disadvantage of using a hardware-based solution for process synchronization?

<p>Implementing atomic instructions like TestAndSet() on multiprocessors is not a trivial task for hardware designers (A)</p> Signup and view all the answers

What is meant by the statement "Concurrent access to shared data may result in data inconsistency"?

<p>Multiple processes accessing shared data simultaneously without proper synchronization can lead to data corruption or inconsistent data (D)</p> Signup and view all the answers

Which statement best describes the role of the lock variable in the producer-consumer solution?

<p>It is used to ensure that only one process (producer or consumer) can access the shared buffers at a time (A)</p> Signup and view all the answers

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