Learn C# (C Sharp) MCQ Questions with answers and solutions.

A

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Q. A____block enclose the code that could throw an exception.

(A) Try
(B) Catch
(C) Exception
(D) Error

A

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Q. An ____ is a group of contiguous or related data items that share a common name.

(A) Operator
(B) Integer
(C) Exponential
(D) Array

A

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Q. Which of the following statements are correct about JIT?
1. JIT compiler compiles instructions into machine code at run time.
2. The code compiler by the JIT compiler runs under CLR.
3. The instructions compiled by JIT compilers are written in native code.
4. The instructions compiled by JIT compilers are written in Intermediate Language (IL) code.

(A) 1,2,3
(B) 2,4
(C) 3,4
(D) 1,2

A

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Q. Code that targets the Common Language Runtime is known as

(A) Unmanaged
(B) Distributed
(C) Managed Code
(D) Native Code

A

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Q. Which of the following statements correctly define .NET Framework?

(A) It is an environment for developing, building, deploying and executing Desktop Applications, Web Applications and Web Services.
(B) It is an environment for developing, building, deploying and executing only Web Applications.
(C) It is an environment for developing, building, deploying and executing Distributed Applications.
(D) It is an environment for developing, building, deploying and executing Web Services.

A

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Q. How many types of compilers availbale under CLR?

(A) 4
(B) 2
(C) 1
(D) 3

A

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Q. Which of the following statements are correct about data types?
1. If the integer literal exceeds the range of byte, a compilation error will occur.
2. We cannot implicitly convert non-literal numeric types of larger storage size to byte.
3. Byte cannot be implicitly converted to float.
4. A char can be implicitly converted to only int data type. 5. We can cast the integral character codes.

(A) 1,3,5
(B) 2,4
(C) 3,5
(D) 1,2,5

A

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Q. What will be the output of the following code snippet when it is executed?
int x = 1;
float y = 1.1f;
short z = 1;
Console.Write.Line((float) x + y * z - (x += (short) y));

(A) 0.1
(B) 1.0
(C) 1.1
(D) 11

A

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Q. Which of the following statements are correct?
1. We can assign values of any type to variables of type object.
2. When a variable of a value type is converted to object, it is said to be unboxed.
3. When a variable of type object is converted to a value type, it is said to be boxed.
4. Boolean variable cannot have a value of null.
5. When a value type is boxed, an entirely new object must be allocated and constructed.

(A) 2,5
(B) 1,5
(C) 3,4
(D) 2,3

A

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Q. Which of the following can be used to terminate a while loop and transfer control outside the loop?
1. exit while
2. continue
3. exit statement
4. break
5. goto

(A) 1,3
(B) 2,4
(C) 3,5
(D) 4,5

C# (C Sharp) MCQs with answers Page - 33

Q. A____block enclose the code that could throw an exception.

Q. An ____ is a group of contiguous or related data items that share a common name.

Q. Code that targets the Common Language Runtime is known as

Q. Which of the following statements correctly define .NET Framework?

Q. How many types of compilers availbale under CLR?

Q. What will be the output of the following code snippet when it is executed?
int x = 1;
float y = 1.1f;
short z = 1;
Console.Write.Line((float) x + y * z - (x += (short) y));

Q. Which of the following can be used to terminate a while loop and transfer control outside the loop?
1. exit while
2. continue
3. exit statement
4. break
5. goto

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C# (C Sharp) MCQs with answers Page - 33

Q. A____block enclose the code that could throw an exception.

Q. An ____ is a group of contiguous or related data items that share a common name.

Q. Code that targets the Common Language Runtime is known as

Q. Which of the following statements correctly define .NET Framework?

Q. How many types of compilers availbale under CLR?

Q. What will be the output of the following code snippet when it is executed? int x = 1; float y = 1.1f; short z = 1; Console.Write.Line((float) x + y * z - (x += (short) y));

Q. Which of the following can be used to terminate a while loop and transfer control outside the loop? 1. exit while 2. continue 3. exit statement 4. break 5. goto

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Q. What will be the output of the following code snippet when it is executed?
int x = 1;
float y = 1.1f;
short z = 1;
Console.Write.Line((float) x + y * z - (x += (short) y));

Q. Which of the following can be used to terminate a while loop and transfer control outside the loop?
1. exit while
2. continue
3. exit statement
4. break
5. goto