Dynamic Loading in OS Quiz
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Questions and Answers

What is dynamic loading?

  • Loading the main program into memory first
  • Loading a routine only when it is called (correct)
  • Loading the entire program and all data into physical memory
  • Loading all routines into memory at once
  • How does dynamic loading improve memory-space utilization?

  • By loading routines into memory only when they are called (correct)
  • By keeping all routines on disk in a fixed load format
  • By increasing the size of physical memory
  • By executing the main program first
  • What is the purpose of a relocatable load format?

  • To load routines into memory at once
  • To limit the size of a process to the size of physical memory
  • To execute the main program
  • To keep routines on disk in a relocatable format (correct)
  • When does a calling routine check whether another routine has been loaded?

    <p>Before calling the other routine</p> Signup and view all the answers

    What happens when a routine needs to call another routine that has not been loaded?

    <p>The relocatable linking loader is called to load the desired routine into memory</p> Signup and view all the answers

    What is the purpose of dynamic loading?

    <p>To improve memory-space utilization by loading routines only when they are called</p> Signup and view all the answers

    What happens when a routine needs to call another routine that has not been loaded?

    <p>The calling routine checks whether the other routine has been loaded, and if not, the relocatable linking loader is called to load the desired routine into memory</p> Signup and view all the answers

    What is the key advantage of using dynamic loading?

    <p>Reduced memory wastage by loading only the necessary routines</p> Signup and view all the answers

    How does dynamic loading overcome the limitation of process size being restricted to physical memory?

    <p>By loading routines into memory only when they are called</p> Signup and view all the answers

    What is the role of the relocatable linking loader in dynamic loading?

    <p>To load the desired routine into memory and update the program’s address tables</p> Signup and view all the answers

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