C++ MCQs with answers Page - 58

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. If a base class destructor is not virtual, then

  • (A) Destructor in derived class can not be called when accessed through a pointer to the base class.
  • (B) It can not be called when accessed from pointer.
  • (C) It can not be called.
  • (D) It can not have a function body.

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Q. Maximum number of template arguments in a function template is

  • (A) one
  • (B) two
  • (C) three
  • (D) many

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Q. In access control in a protected derivation, visibility modes will change as follows:

  • (A) only private becomes protected.
  • (B) public and protected become protected.
  • (C) only public becomes protected.
  • (D) private, public and protected become protected

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Q. Which of the following statement is valid?

  • (A) We can not change operator templates.
  • (B) We can change the associativity of the C++ operators.
  • (C) We can change the precedence of the C++ operators.
  • (D) We can create new C++ operators.

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Q. What will be the output of the following program?

Code: 
#include iostream.h void main() { float x=5,y=2; int result; result=x % y; cout result; }
  • (A) 1
  • (B) 1.5
  • (C) 2.5
  • (D) Error message

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Q. Which can be passed as an argument to a function?

  • (A) another function
  • (B) constant
  • (C) expression
  • (D) all of the above.

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Q. Member functions, when defined within the class specification:

  • (A) are not inline by default.
  • (B) are inline by default, unless they are too big or too complicated.
  • (C) are not inline.
  • (D) are always inline.

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Q. An expression A.B in C++ means ____

  • (A) Product of A and B
  • (B) A is member of object B
  • (C) B is member of Object A
  • (D) None of these

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Q. A C++ code line ends with ___

  • (A) A Semicolon (;)
  • (B) A Comma (,)
  • (C) A Slash (/)
  • (D) A Fullstop(.)

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Q. Reusability of code in C++ is achieved through ____

  • (A) Encapsulation
  • (B) Polymorphism
  • (C) Inheritance
  • (D) Both B and C

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