Net Programming Set 1 MCQs

Q1 | A variable which is declared inside a method is called a________variable

Serial

Local

Private

Static

Q2 | Which is the String method used to compare two strings with each other ?

Compare To()

Compare()

Copy()

ConCat()

Q3 | Minimum and Maximum range of values supported by ‘float’ data type are ?

1.5 * 10 ^-40 to 3.4 * 10 ^38

1.5 * 10 ^-45 to 3.4 * 10 ^30

1.5 * 10 ^-45 to 3.4 * 10 ^38

1.5 * 10 ^-45 to 3.4 * 10 ^37

Q4 | Which datatype should be more preferred for storing a simple number like 35 to improve execution speed of a program?

sbyte

short

int

long

Q5 | What will be output of the following conversion ?static void Main(string[] args){char a = 'A';string b = "a";Console.WriteLine(Convert.ToInt32(a));Console.WriteLine(Convert.ToInt32(Convert.Tochar(b)));Console.ReadLine();}

1, 97

65, 97

97, 1

Q6 | Scope of variable is related to definition of variable as:1. Region of code within which variable value is valid and hence can be accessed.2. No, relation with region where variable is declared its value is valid in entire scope.

a

b

a, b

None of the mentioned

Q7 | Type of Conversion in which compiler is unable to convert the datatype implicitly is ?

ushort to long

int to uint

ushort to long

byte to decimal

Q8 | Select output of the given set of Code :static void Main(string[] args){String name = "Dr.Gupta";Console.WriteLine("Good Morning" + name);}

Dr.Gupta

Good Morning

Good Morning Dr.Gupta

Good Morning name

Q9 | Which of the following is an 8-byte Integer?

Char

Long

Short

Byte

Q10 | Which of the following is NOT an Integer?

Char

Byte

Integer

Short

Q11 | Which of the following are value types?1.Integer2.Array3.Single4.String5.Long

1, 2, 5

1, 3, 5

2, 4

3, 5

Q12 | Which of the following does not store a sign?

Short

Integer

Long

Byte

Q13 | What is the size of a Decimal?

4 byte

8 byte

16 byte

32 byte

Q14 | Which of the following is the correct size of a Decimal datatype?

8 Bytes

4 Bytes

10 Bytes

16 Bytes

Q15 | Which of the following statements is correct?

When a class inherits an interface it inherits member definitions as well as its implementations.

An interface cannot contain the signature of an indexer.

Interfaces members are automatically public.

To implement an interface member, the corresponding member in the class must be public as well as static.

Q16 | Which of the following can implement an interface?1.Data2.Class3.Enum4.Structure5.Namespace

1, 3

2, 4

3, 5

4 only

Q17 | Which of the following will be the correct output for the C#.NET code snippet given below?String s1 = "ALL MEN ARE CREATED EQUAL";String s2;s2 = s1.Substring(12, 3);Console.WriteLine(s2);

ARE

CRE

CR

REA

Q18 | If s1 and s2 are references to two strings, then which of the following is the correct way to compare the two references?

s1 is s2

s1 = s2

s1.Equals(s2)

strcmp(s1, s2)

Q19 | Which of the following is the correct output of the C#.NET code snippet given below?int[ , , ] a = new int[ 3, 2, 3 ];Console.WriteLine(a.Length);

20

4

18

10

Q20 | Which of the following are NOT Relational operators in C#.NET?1.>=2.!=3.Not4.<=5.<>=

1, 3

2, 4

3, 5

4, 5

Q21 | Which of the following is NOT an Assignment operator in C#.NET?

\=

/=

*=

+=

Q22 | A GUI:

uses buttons, menus, and icons.

should be easy for a user to manipulate.

stands for Graphic Use Interaction.

Both a and b.

Q23 | Visual Studio .NET provides which feature:

debugging.

application deployment.

syntax checking.

All of the above..

Q24 | What does IDE stand for?

Integrated Development Environment

Integrated Design Environment

Interior Development Environment

Interior Design Environment

Q25 | Which is not a main component of the Visual Studio IDE?

Solution Explorer

Tool Box

Start Menu

Designer Window