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This set of .NET Programming Multiple Choice Questions & Answers (MCQs) focuses on Net Programming Set 1

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
  • 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