Multithreading in C Sharp MCQ question and answer with solution

1

What is multithreading in C#?

A) The ability of a program to handle multiple inputs simultaneously B) The process of executing multiple tasks in a sequential manner C) The process of running multiple programs at the same time D) The ability of a CPU to execute multiple threads simultaneously

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Answer & Solution

Answer: Option D

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2

Which namespace in C# is used for multithreading?

A) System.Multithreading B) System.Parallel C) System.Threading D) System.Concurrent

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Answer & Solution

Answer: Option C

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3

What is a thread in the context of multithreading?

A) A block of memory used for storing data B) The smallest unit of execution in a program C) A collection of instructions D) None of the above

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Answer: Option B

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4

What is the primary benefit of using multithreading in C#?

A) Enhanced security B) Reduced memory consumption C) Improved performance and responsiveness D) Simplicity and ease of programming

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Answer: Option C

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5

Which method is used to start a new thread in C#?

A) Run() B) Execute() C) Launch() D) Start()

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Answer & Solution

Answer: Option D

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6

What is a race condition in multithreading?

A) A condition that occurs when two or more threads access shared data and attempt to modify it at the same time B) A condition where multiple threads race to complete a task C) A condition where threads are locked in an infinite loop D) A condition where a thread blocks the execution of other threads

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Answer: Option A

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7

What is the purpose of synchronization in multithreading?

A) To prevent threads from running concurrently B) To prioritize certain threads over others C) To speed up the execution of threads by running them in parallel D) To ensure that only one thread accesses a shared resource at a time

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Answer & Solution

Answer: Option D

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8

Which keyword in C# is used to declare a method as synchronized?

A) sync B) threadlock C) lock D) synchronized

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Answer & Solution

Answer: Option C

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9

What is the difference between a foreground and a background thread in C#?

A) Foreground threads run in parallel, while background threads run sequentially B) Foreground threads keep the application running until they complete, while background threads do not C) Background threads can access shared resources, while foreground threads cannot D) None of the above

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Answer & Solution

Answer: Option B

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10

What is deadlock in multithreading?

A) A condition that occurs when two or more threads access shared data and attempt to modify it at the same time B) A condition where a thread blocks the execution of other threads C) A situation where two or more threads are blocked indefinitely, waiting for each other to release resources D) A situation where multiple threads race to complete a task

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Answer & Solution

Answer: Option C

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Multithreading in C Sharp MCQ question and answer with solution | C# Program MCQs