Multithreaded Programming MCQ

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• What is multithreaded programming?
  ক

  It’s a process in which two different processes run simultaneously

  খ

  It’s a process in which two or more parts of same process run simultaneously

  গ

  It’s a process in which many different process are able to access same information

  ঘ

  It’s a process in which a single process can access information from many sources
• Which of these statements is incorrect?
  ক

  By multithreading CPU idle time is minimized, and we can take maximum use of it

  খ

  By multitasking CPU idle time is minimized, and we can take maximum use of it

  গ

  Two thread in Csharp can have same priority

  ঘ

  A thread can exist only in two states, running and blocked
• Which method is used to abort thread prior to it’s normal execution?
  ক

  sleep()

  খ

  terminate()

  গ

  suspend()

  ঘ

  Abort()
• What is Semaphore?
  ক

  Grant more than one thread access to a shared resource at the same time

  খ

  Useful when a collection of resources is being synchronized

  গ

  Make use of a counter to control access to a shared resource

  ঘ

  All of the mentioned
• What is mutex?
  ক

  a mutually exclusive synchronization object

  খ

  can be acquired by more than one thread at a time

  গ

  helps in sharing of resource which can be used by one thread

  ঘ

  all of the mentioned
• What kind of exception is being thrown if Wait(), Pulse() or PulseAll() is called from code that is not within synchronized code?
  ক

  System I/O Exception

  খ

  DivideByZero Exception

  গ

  SynchronizationLockException

  ঘ

  All of the mentioned
• Which method is called when a thread is blocked from running temporarily?
  ক

  Pulse()

  খ

  PulseAll()

  গ

  Wait()

  ঘ

  Both Pulse() & Wait()
• What is synchronization in reference to a thread?
  ক

  It’s a process of handling situations when two or more threads need access to a shared resource

  খ

  It’s a process by which many threads are able to access the same shared resource simultaneously

  গ

  It’s a process by which a method is able to access many different threads simultaneously

  ঘ

  It’s a method that allows too many threads to access any information they require
• Which keyword is used for using the synchronization features defined by the Monitor class?
  ক

  lock

  খ

  synchronized

  গ

  monitor

  ঘ

  locked
• Which of these keywords are used to implement synchronization?
  ক

  synchronize

  খ

  syn

  গ

  synch

  ঘ

  synchronized
• Which of these methods of Thread class is used to Suspend a thread for a period of time?
  ক

  sleep()

  খ

  terminate()

  গ

  suspend()

  ঘ

  stop()
• On call of which type of method the new created thread will not start executing?
  ক

  Begin()

  খ

  Start()

  গ

  New()

  ঘ

  All of the mentioned
• Which of these classes is used to make a thread?
  ক

  String

  খ

  System

  গ

  Thread

  ঘ

  Runnable
• Choose the namespace which supports multithreading programming?
  ক

  System.net

  খ

  System.Linq

  গ

  System.Threading

  ঘ

  All of the mentioned
• Number of threads that exists for each of the processes that occurs in the program:
  ক

  at most 1

  খ

  atleast 1

  গ

  only 1

  ঘ

  both at most 1 & atleast 1
• Select the two type of threads mentioned in the concept of multithreading:
  ক

  foreground

  খ

  background

  গ

  only foreground

  ঘ

  both foreground & background
• What is the advantage of the multithreading program?
  ক

  Enables to utilize the idle and executing time present in most programs

  খ

  Enables to utilize the idle time present in most programs

  গ

  Both Enables to utilize the idle and executing time present in most programs & Enables to utilize the idle time present in most programs

  ঘ

  Only Enables to utilize the idle time present in most programs
• Choose the statements which indicate the differences between the thread based multitasking and process based multitasking.
  ক

  Process-based multitasking handles the concurrent execution of programs

  খ

  Process-based multitasking handles the concurrent execution of pieces of the same program

  গ

  Thread-based multitasking handles the concurrent execution of programs

  ঘ

  Thread-based multitasking deals with the concurrent execution of pieces of the same program
• Choose the correct statement about process-based multitasking.
  ক

  A feature that allows our computer to run two or more programs concurrently

  খ

  A program that acts as a small unit of code that can be dispatched by the scheduler

  গ

  Only A program that acts as a small unit of code that can be dispatched by the scheduler

  ঘ

  Both A feature that allows our computer to run two or more programs concurrently & A program that acts as a small unit of code that can be dispatched by the scheduler
• Select the type of multitasking methods that exist:
  ক

  process based

  খ

  thread based

  গ

  only process

  ঘ

  both process & thread based