C# Quiz

1

Instructions For Quiz

This Mock Test has 15 Questions
Each Question is of 1 marks so total 15 marks
Multiple Choice Questions(MCQ) with only ONE valid answer

2

1) What is stored in Heap?* This field is required.

int

enum

reference type

long

3

2) Select the control which can’t be placed in the toolbox* This field is required.

Custom Control

User control

Server Control

ASP Control

4

3) Select the class which is immutable* This field is required.

System.Text.StringBuilder

System.String

System.StringBuilder

System.Text.Builder

5

4) Select the method that doesn’t gaurantee the garbage collection of an object.* This field is required.

Dispose()

Finalize()

Open()

None of this

6

5) Generics are used to make reusable code classes to* This field is required.

decrease the code redundancy

improve code performance

improve code indentation

improve code documentation

7

6) Select the type of exceptions which is NOT used in .Net.* This field is required.

NullReferenceException

OutOfMemoryException

StackOverflowException

StackUnderflowException

8

7) What is used as inheritance operator in C#.* This field is required.

Comma

Dot

SemiColon

Colon

9

8) Which is the base class in .NET from which all the classes are derived from?* This field is required.

System.Object

System.Objects

Systems.Object

Systems.Objects

10

9) Can you specify accessibility modifier for methods inside an interface?* This field is required.

No

Yes

11

10) Structs can be inherited?* This field is required.

Yes

No

12

11) Select the operator used to check the compatibility of an object with a given type* This field is required.

"as"operater

"is" operater

"this" operater

"at" operater

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12) Select the operator which is used for casting of object to a type or a class.* This field is required.

"as" operater

"is" operater

"this" operater

"at" operater

14

13) In c#, the attribute’s information for a Class can be retrieved at * This field is required.

Compile time

Runtime

Both

15

14) What is used in conversion where the conversion is defined between the expression and the type.* This field is required.

Ctype

directcast

multicast

Cttype

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15) What is sealed Modifier* This field is required.

Prevents inheritance of a class

Prevents method overloading

Prevents polymorphism

Prevents illegal access to a class