Cplusplus Programming Functors Online Exam Quiz
Cplusplus Programming Functors GK Quiz. Question and Answers related to Cplusplus Programming Functors. MCQ (Multiple Choice Questions with answers about Cplusplus Programming Functors
Which of the following operators are overloaded for functors?
Options
A : []
B : ()
C : <<
D : >>
Which of the following header file is required to use in-bulit functors of C++?
Options
A : <any>
B : <fucntional>
C : <functor>
D : <function>
How many ways are there to use functors?
Options
A : 1
B : 2
C : 3
D : 4
Which of the following is correct about Functors?
Options
A : Functors should not be declared outside the main function
B : Overloaded operator () function is not a member of the class
C : Functors should be declared global
D : Functors have a state
What are binary functors?
Options
A : Functors that accepts only one parameter
B : Functors that accepts more than one parameters
C : Functors that accepts two parameters
D : Functors that accepts other than a specific type of parameter
What are unary functors?
Options
A : Functors that accepts only one parameter
B : Functors that accepts two parameters
C : Functors that accepts more than one parameters
D : Functors that accepts other than a specific type of parameter
Which of the following is an arithmetic unary functor?
Options
A : logical_not<T> f;
B : logical_and<T> f;
C : logical_or<T> f;
D : negate<T> f;
Which of the following is a logical unary functor?
Options
A : logical_or<T> f;
B : logical_and<T> f;
C : logical_not<T> f;
D : negate<T> f;
Which of te following is a built-in example of functors in C++?
Options
A : mltiplication<T> f(a1, a2);
B : add<T> f(a1, a2);
C : subtract<T> f(a1, a2);
D : plus<T> f(a1, a2);
What are functors in C++?
Options
A : Objects of a class which are treated as functions
B : Objects that are used to call the function of other classes
C : Functions that are called using pointer objects
D : Functions that are called only once in a program
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