Virtual Machine Overview
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Questions and Answers

What is the main function of a command-interpreter system?

  • To control access to system and user resources
  • To load device drivers into the running kernel
  • To structure the OS by removing unnecessary parts of the kernel
  • To read and execute control statements (correct)

Which protection mechanism must distinguish between authorized and unauthorized usage?

  • Protection (correct)
  • Virtual Machine
  • Monolithic Approach
  • Microkernel Structure

What is a key advantage of the monolithic approach to operating systems?

  • Can be easily extended (correct)
  • Removes unnecessary parts of the kernel
  • Has poor performance due to message passing overhead
  • Offers minimal process and memory management

What is a disadvantage of the monolithic approach to operating systems?

<p>Poor performance due to message passing overhead (D)</p> Signup and view all the answers

In a microkernel structure, how are unnecessary parts of the kernel implemented?

<p>As system and user-level programs (D)</p> Signup and view all the answers

What does protection refer to in the context of operating systems?

<p>Controlling access to system and user resources (B)</p> Signup and view all the answers

Which component is responsible for communication between components in a monolithic approach OS?

<pre><code>extit{Message passing} (C) </code></pre> Signup and view all the answers

What does a virtual machine primarily offer in an operating system environment?

<pre><code>extit{Minimal process and memory management} (B) </code></pre> Signup and view all the answers

What is a characteristic of the monolithic kernel approach compared to microkernels?

<p>Simplifies OS extension (D)</p> Signup and view all the answers

What distinguishes the microkernel structure from the monolithic approach in terms of security and reliability?

<p>Higher security due to small kernel size (A)</p> Signup and view all the answers

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