Which of these statements is incorrect?
A. By multithreading CPU idle time is minimized, and we can take maximum use of it
B. By multitasking CPU idle time is minimized, and we can take maximum use of it
C. Two thread in Csharp can have same priority
D. A thread can exist only in two states, running and blocked
Answer: Option D
What is the purpose of the "using" keyword in C#?
A. To define namespaces
B. To declare variables
C. To import external libraries
D. To create instances of classes
What does the "break" keyword do in a switch statement?
A. Exits the switch statement
B. Skips the current iteration
C. Continues to the next iteration
D. Throws an exception
Which of the following is NOT a valid C# access modifier?
A. public
B. internal
C. protected
D. private
What is the purpose of the "readonly" keyword in C#?
A. To declare a constant
B. To prevent a variable from changing
C. To allow a variable to be changed
D. To declare a static variable

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