C# Quiz

(Total Question : 30)

Q.1

Which of the following statements is correct about Managed Code?

A. Managed code is the code that is compiled by the JIT compilers.

B. Managed code is the code where resources are Garbage Collected.

C. Managed code is the code that runs on top of Windows.

D. Managed code is the code that is written to target the services of the CLR.

Q.2

Which of the following utilities can be used to compile managed assemblies into processor-specific native code?

A. gacutil

B. ngen

C. sn

D. dumpbin

Q.3

Which of the following components of the .NET framework provide an extensible set of classes that can be used by any .NET compliant programming language?

A. NET class libraries

B. Common Language Runtime

C. Common Language Infrastructure

D. Component Object Model

Q.4

Which of the following .NET components can be used to remove unused references from the managed heap?

A. Common Language Infrastructure

B. CLR

C. Garbage Collector

D. Class Loader

Q.5

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.

Q.6

Which of the following is an 8-byte Integer?

A. Char

B. Long

C. Short

D. Byte

Q.7

Which of the following is NOT an Integer?

A. Char

B. Byte

C. Integer

D. Short

Q.8

Which of the following statements is correct?

A. Information is never lost during narrowing conversions.

B. The CInteger() function can be used to convert a Single to an Integer.

C. Widening conversions take place automatically.

D. Assigning an Integer to an Object type is known as Unboxing.

Q.9

Which of the following does not store a sign?

A. Short

B. Integer

C. Long

D. Byte

Q.10

What is the size of a Decimal?

A. 4 byte

B. 8 byte

C. 16 byte

D. 32 byte

Q.11

Which of the following is NOT an Arithmetic operator in C#.NET?

A. **

B. +

C. /

D. %

Q.12

Which of the following is NOT a Bitwise operator in C#.NET?

A. &

B. |

C. <<

D. ^

Q.13

Which of the following is the correct output for the C#.NET code snippet given below? Console.WriteLine(13 / 2 + \" \" + 13 % 2);

A. 6.5 1

B. 6.5 0

C. 6 0

D. 6 1

Q.14

Suppose n is a variable of the type Byte and we wish to put OFF its fourth bit (from right) without disturbing any other bits. Which of the following statements will do this correctly?

A. n = n && HF7

B. n = n & 16

C. n = n & 0xF7

D. n = n & HexF7

Q.15

Which of the following is NOT an Assignment operator in C#.NET?

A. \\=

B. /=

C. *=

D. +=

Q.16

How many values is a function capable of returning?

A. 1

B. 0

C. Depends upon how many params arguments does it use.

D. Any number of values.

Q.17

Which of the following statements is correct?

A. Procedural Programming paradigm is different than structured programming paradigm.

B. Object Oriented Programming paradigm stresses on dividing the logic into smaller parts and writing procedures for each part.

C. Classes and objects are corner stones of structured programming paradigm.

D. Object Oriented Programming paradigm gives equal importance to data and the procedures that work on the data.

Q.18

Which of the following statements is correct?

A. A constructor can be used to set default values and limit instantiation.

B. C# provides a copy constructor.

C. Destructors are used with classes as well as structures.

D. A class can have more than one destructor.

Q.19

Which of the following statements is correct about constructors?

A. If we provide a one-argument constructor then the compiler still provides a zero-argument constructor.

B. Static constructors can use optional arguments.

C. Overloaded constructors cannot use optional arguments.

D. If we do not provide a constructor, then the compiler provides a zero-argument constructor.

Q.20

How many times can a constructor be called during lifetime of the object?

A. As many times as we call it.

B. Only once.

C. Depends upon a Project Setting made in Visual Studio.NET.

D. Any number of times before the object gets garbage collected.

Q.21

s it possible to invoke Garbage Collector explicitly?

A. Yes

B. No

Q.22

Which of the following statements is correct?

A. There is one garbage collector per program running in memory.

B. There is one common garbage collector for all programs.

C. An object is destroyed by the garbage collector when only one reference refers to it.

D. We have to specifically run the garbage collector after executing Visual Studio.NET.

Q.23

Which of the following statements are correct about static functions?

A. Static functions are invoked using objects of a class.

B. Static functions can access static data as well as instance data.

C. Static functions are outside the class scope.

D. Static functions are invoked using class.

Q.24

Which of the following statements are correct about the C#.NET code snippet given below?
int[] a = {11, 3, 5, 9, 4};
1. The array elements are created on the stack.
2. Refernce a is created on the stack.
3. The array elements are created on the heap.
4. On declaring the array a new array class is created which is derived from System.Array Class.
5. Whether the array elements are stored in the stack or heap depends upon the size of the array.

A. 1,2

B. 2,3,4

C. 2,3,5

D. none to these

Q.25

Which one of the following statements is correct?

A. Array elements can be of integer type only.

B. The rank of an Array is the total number of elements it can contain.

C. The length of an Array is the number of dimensions in the Array.

D. The default value of numeric array elements is zero.

Q.26

Which of the following statement is correct about a String in C#.NET?

A. A String is mutable because it can be modified once it has been created.

B. Methods of the String class can be used to modify the string.

C. A number CANNOT be represented in the form of a String.

D. A String has a zero-based index.

Q.27

Which of the following statements about a String is correct?

A. A String is created on the stack.

B. Whether a String is created on the stack or the heap depends on the length of the String.

C. A String is a primitive.

D. A String is created on the heap.

Q.28

The space required for structure variables is allocated on stack.

A. True

B. False

Q.29

Creating empty structures is allowed in C#.NET.

A. True

B. False

Q.30

Creating empty structures is allowed in C#.NET.

A. When no reference refers to it, it will get garbage collected.

B. When it goes out of scope.

C. Depends upon the Project Settings made in Visual Studio.NET.

D. Depends upon whether we free it\'s memory using free() or delete().

Related Quiz

C# Quiz

Q.1

Which of the following statements is correct about Managed Code?

Q.2

Which of the following utilities can be used to compile managed assemblies into processor-specific native code?

Q.3

Which of the following components of the .NET framework provide an extensible set of classes that can be used by any .NET compliant programming language?

Q.4

Which of the following .NET components can be used to remove unused references from the managed heap?

Q.5

Which of the following statements correctly define .NET Framework?

Q.6

Which of the following is an 8-byte Integer?

Q.7

Which of the following is NOT an Integer?

Q.8

Which of the following statements is correct?

Q.9

Which of the following does not store a sign?

Q.10

What is the size of a Decimal?

Q.11

Which of the following is NOT an Arithmetic operator in C#.NET?

Q.12

Which of the following is NOT a Bitwise operator in C#.NET?

Q.13

Which of the following is the correct output for the C#.NET code snippet given below? Console.WriteLine(13 / 2 + \" \" + 13 % 2);

Q.14

Suppose n is a variable of the type Byte and we wish to put OFF its fourth bit (from right) without disturbing any other bits. Which of the following statements will do this correctly?

Q.15

Which of the following is NOT an Assignment operator in C#.NET?

Q.16

How many values is a function capable of returning?

Q.17

Which of the following statements is correct?

Q.18

Which of the following statements is correct?

Q.19

Which of the following statements is correct about constructors?

Q.20

How many times can a constructor be called during lifetime of the object?

Q.21

s it possible to invoke Garbage Collector explicitly?

Q.22

Which of the following statements is correct?

Q.23

Which of the following statements are correct about static functions?

Q.24

Q.25

Which one of the following statements is correct?

Q.26

Which of the following statement is correct about a String in C#.NET?

Q.27

Which of the following statements about a String is correct?

Q.28

The space required for structure variables is allocated on stack.

Q.29

Creating empty structures is allowed in C#.NET.

Q.30

Creating empty structures is allowed in C#.NET.