C++ MCQs with answers Page - 125

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

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Q. Conversion of data type is called

  • (A) self referencing
  • (B) type casting
  • (C) virtual function
  • (D) abstract class

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Q. The function that act as an interface to base & derived class

  • (A) function overloading
  • (B) virtual function
  • (C) constructor
  • (D) friend

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Q. The keyword to convert constant into variable

  • (A) Const_cast
  • (B) reinterpret_cast
  • (C) static_cast
  • (D) implicit

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Q. The keyword to convert pointer into non pointer & non pointer into pointer

  • (A) Const_cast
  • (B) reinterpret_cast
  • (C) static_cast
  • (D) implicit

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Q. Treating the address of the object of the derived class as the address of the base class means

  • (A) Up casting
  • (B) down casting
  • (C) early binding
  • (D) late binding

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Q. The empty virtual function are called

  • (A) pure /donothing
  • (B) virtual table
  • (C) polymorphism
  • (D) virtual base class

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Q. A stream of byte that is the interface between IO and IO devices

  • (A) Streams
  • (B) class
  • (C) object
  • (D) file

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Q. The class that derived from standard library ios contain input functions

  • (A) Ios
  • (B) iostream
  • (C) istream
  • (D) ostream

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Q. The class that derived from standard library ios contain output functions

  • (A) Ios
  • (B) iostream
  • (C) istream
  • (D) ostream

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Q. Which function is in the ostream class

  • (A) get()
  • (B) read()
  • (C) write
  • (D) cin

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