C# (C Sharp) MCQs with answers Page - 29

Here, you will find a collection of MCQ questions on C# (C Sharp). Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. The character pair ?: is a________________available in C#.

  • (A) Unary operator
  • (B) Ternary operator
  • (C) Decision operator
  • (D) Functional operator

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Q. A _____ is any valid C# variable ending with a colon.

  • (A) Bitwise
  • (B) Logical
  • (C) Label
  • (D) goto

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Q. An ____ is a group of contiguous or related data items that share a common name.

  • (A) Array
  • (B) Exponential
  • (C) Integer
  • (D) Operator

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Q. Arrays in C# are ______ objects.

  • (A) Arithmetic
  • (B) Value
  • (C) Logical
  • (D) Reference

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Q. Struct’s data members are ____________ by default.

  • (A) Default
  • (B) Private
  • (C) Public
  • (D) Protected

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Q. Exponential formatting character (‘E’ or ‘e’) converts a given value to string in the form of _______.

  • (A) m.dddd E+xxx
  • (B) m.dddd
  • (C) E+xxx
  • (D) None of the above

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Q. The infrastructure that supports these dynamic operations at run time is called the__________.

  • (A) CLR
  • (B) CTS
  • (C) CLS
  • (D) DLR

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Q. _______ methods are not supported for dynamic types.

  • (A) Extension
  • (B) Abstract
  • (C) Static
  • (D) Anonymous

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Q. myMobile.Accept(55, inReject: false); Above statement is an example of which new concept of C# 4.0?

  • (A) Variance
  • (B) Dynamic
  • (C) Optional Parameters
  • (D) Named Parameters

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Q. COM Interop is simplified in C#4.0 e.g.var doc = Application.GetDocument("MyFile.txt"); In above statement_______ keyword was essential in parameters of GetDocument() in previous versions of C#.

  • (A) out
  • (B) named
  • (C) base
  • (D) ref

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