Unit-2 Threads, Exception Handling, Python File Operation Quiz
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Questions and Answers

What happens when an exception occurs in a Python program?

  • The exception is automatically handled by the Python interpreter.
  • The Python interpreter stops the current process. (correct)
  • The exception is ignored and the program proceeds as usual.
  • The program continues to run without any interruption.

    • How does Python handle unhandled exceptions?

  • The program crashes immediately. (correct)
  • The exception is silently ignored.
  • The program continues execution without any issues.
  • The program waits for user input to handle the exception.

    • What is the main purpose of exception handling in Python?

  • To prevent the program from running smoothly.
  • To ignore all errors that occur.
  • To gracefully handle abnormal errors. (correct)
  • To create intentional errors in the program.

    • What type of exceptions are already defined by Python?

    <p>Built-in exceptions</p> Signup and view all the answers

    How many types of exceptions are there according to the text?

    <p>Two types</p> Signup and view all the answers

    What is one of the common uses of threading in Python for GUI applications?

    <p>Keeping the user interface responsive while performing background tasks</p> Signup and view all the answers

    How does threading help in GUI applications?

    <p>Preventing the GUI from freezing or becoming unresponsive</p> Signup and view all the answers

    What is a key benefit of using threading in Python for GUI applications?

    <p>Preventing the GUI from becoming unresponsive during time-consuming operations</p> Signup and view all the answers

    In what way does threading contribute to efficient GUI applications?

    <p>By allowing time-consuming operations to be run in separate threads</p> Signup and view all the answers

    Why is threading often used in graphical user interface (GUI) applications?

    <p>To keep the user interface responsive while performing background tasks</p> Signup and view all the answers

    How does threading help in preventing the freezing of graphical user interfaces?

    <p>By running time-consuming operations in separate threads</p> Signup and view all the answers

    What is one benefit of splitting a large computation-intensive task into smaller parts and executing them concurrently in separate threads?

    <p>Increased utilization of available computing resources</p> Signup and view all the answers

    Which scenario is threading commonly used for?

    <p>Allowing multiple threads to communicate and exchange data</p> Signup and view all the answers

    What is the purpose of using threading in background tasks?

    <p>To perform maintenance operations without interruptions</p> Signup and view all the answers

    Which synchronization mechanisms can threading provide for ensuring proper communication between threads?

    <p>Locks, semaphores, or queues</p> Signup and view all the answers

    How does threading help in situations where non-blocking I/O operations are required?

    <p>It allows initiating multiple I/O operations concurrently while continuing other tasks</p> Signup and view all the answers

    In which situations is threading beneficial for GUI applications?

    <p>Ensuring responsiveness while performing intensive tasks</p> Signup and view all the answers

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