Operating System: Process Management - Deadlock, Starvation, and Race

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Questions and Answers

What is the main consequence of lack of process synchronization?

  • Race condition
  • Starvation
  • Livelock
  • Deadlock (correct)

How is deadlock resolved?

  • Process starvation detection
  • Resource sharing management
  • External intervention (correct)
  • Race condition prevention

What does process starvation result in?

  • Resource competition
  • Job postponement
  • Lack of synchronization
  • System standstill (correct)

What does livelock refer to?

<p>Endless competition for resources (C)</p> Signup and view all the answers

How is race condition different from deadlock and starvation?

<p>It occurs due to asynchronous execution (D)</p> Signup and view all the answers

What is the difference between preventing and avoiding deadlocks?

<p>Preventing focuses on removing one of the necessary conditions for deadlock, while avoiding focuses on detection and recovery (D)</p> Signup and view all the answers

What is the main difference between deadlock and starvation?

<p>Deadlock affects entire system, while starvation affects only a few programs (D)</p> Signup and view all the answers

In which case do jobs request and hold files for execution duration, leading to a deadlock sequence?

<p>Case 1: Deadlocks on File Requests (B)</p> Signup and view all the answers

What locking technique in databases allows one user to lock out all other users, potentially leading to deadlocks?

<p>Locking the entire database for the duration of the request (B)</p> Signup and view all the answers

What could happen to the record after updates when there is a deadlock sequence in databases?

<p>The final version of data is incorrect (D)</p> Signup and view all the answers

What does dedicated device allocation involve that can lead to deadlocks?

<p>Allocating limited number of devices to competing jobs (D)</p> Signup and view all the answers

In what situation do two programs need two tape drives each, potentially causing a deadlock due to limited availability?

<p>When competing for dedicated device allocation (A)</p> Signup and view all the answers

"What distinguishes deadlock from starvation?"

<p>*Deadlock affects multiple jobs waiting for resources, while starvation affects one job prevented from execution (B)</p> Signup and view all the answers

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