Threaded Processes Quiz
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Questions and Answers

What is the primary difference between a single-threaded and a multi-threaded process?

  • Single-threaded processes have more security vulnerabilities than multi-threaded processes.
  • Single-threaded processes have higher priority than multi-threaded processes.
  • Single-threaded processes are more efficient than multi-threaded processes.
  • Single-threaded processes focus on one task at a time, while multi-threaded processes can execute multiple tasks concurrently. (correct)

What is the main difference between user-level threads and kernel-level threads?

  • User-level threads have direct access to hardware resources, unlike kernel-level threads.
  • User-level threads are managed by the operating system, while kernel-level threads are managed by applications. (correct)
  • User-level threads are more efficient than kernel-level threads.
  • User-level threads have higher priority than kernel-level threads.

What are the two main types of threads in multi-threading?

  • Foreground and background threads
  • Synchronous and asynchronous threads
  • Critical-section and deadlock threads
  • User-level and kernel-level threads (correct)

What is the main advantage of a many-to-many relationship in multi-threading?

<p>Improved performance by distributing workload among multiple cores (A)</p> Signup and view all the answers

Which of the following is not an advantage of multi-threading?

<p>Increased complexity of program design (B)</p> Signup and view all the answers

Which of the following is not a disadvantage of threads in a multi-threaded process?

<p>Improved scalability for resource-intensive applications (A)</p> Signup and view all the answers

What is the main difference between a many-to-many relationship and a one-to-one relationship in multi-threading?

<p>Many-to-many relationship allows multiple user-level threads to be mapped to multiple kernel-level threads for execution. (D)</p> Signup and view all the answers

What role do class diagrams play in software engineering?

<p>Provide an overview of system design (B)</p> Signup and view all the answers

In object-oriented programming, what do objects represent?

<p>Data structures (A)</p> Signup and view all the answers

Which element of UML Class Notation is used to depict the relationships between classes?

<p>Graphical representation (D)</p> Signup and view all the answers

What is the primary purpose of defining a class in object-oriented programming?

<p>Create object instances (C)</p> Signup and view all the answers

Why are class diagrams considered an integral part of the software development lifecycle?

<p>To visualize system structure and relationships (C)</p> Signup and view all the answers

Which parameter directionality notation indicates that a parameter is both an input and an output?

<p>Input-Output notation (C)</p> Signup and view all the answers

What type of relationship in class diagrams represents a 'whole-part' relationship?

<p>Aggregation (D)</p> Signup and view all the answers

Which type of relationship in class diagrams indicates that instances of one class are connected to instances of another class?

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

What symbol is used to represent composition in class diagrams?

<p>Filled diamond (A)</p> Signup and view all the answers

Which type of relationship in class diagrams indicates that one class is associated with another in a specific way with a direction?

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

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