C# (C Sharp) MCQs with answers Page - 17

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Q. Choose the namespace in which the interface IEnumerable is declared?

  • (A) System.Collections
  • (B) System.Collections.Generic
  • (C) Both a & b
  • (D) None of the mentioned

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Q. Can we use linq to query against a DataTable?

  • (A) Yes
  • (B) No
  • (C) Situational
  • (D) None of the mentioned

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Q. Select the namespace which should be included while making use of LINQ operations:

  • (A) System.Text
  • (B) System.Collections.Generic
  • (C) System.Linq
  • (D) None of the mentioned

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Q. What is meant by the term generics?

  • (A) parameterized types
  • (B) class
  • (C) structure
  • (D) interface

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Q. Are generics in C# are same as the generics in java and templates in C++?

  • (A) Yes
  • (B) No
  • (C) May be
  • (D) None of the mentioned

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Q. Choose the advantages of using generics?

  • (A) Generics facilitate type safety
  • (B) Generics facilitate improved performance and reduced code
  • (C) Generics promote the usage of parameterized types
  • (D) All of the mentioned

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Q. Which among the given classes present in System.Collection.Generic.namespace?

  • (A) Stack
  • (B) Tree
  • (C) Sorted Array
  • (D) All of the mentioned

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Q. Which feature enables to obtain information about use and capabilities of types at runtime?

  • (A) Runtime type ID
  • (B) Reflection
  • (C) Attributes
  • (D) None of the mentioned

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Q. Choose the namespace which consists of classes that are part of .NET Reflection API:

  • (A) System.Text
  • (B) System.Name
  • (C) System.Reflection
  • (D) None of the mentioned

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Q. What is the output of the following program :

Code: 
i = 0
while i < 3:
print i
i += 1
else:
print 0
  • (A) 0 1 2 3 0
  • (B) 0 1 2 0
  • (C) 0 1 2
  • (D) Error

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