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Q1. Which of the following is the most common way of implementing C++?
(A) C++ programs are directly compiled into native code by a compiler
(B) C++ programs are first compiled to intermediate code by a compiler and then executed by a virtual machine
(C) C++ programs are interpreted by an interpreter
(D) A C++ editor directly compiles and executes the program
Answer: (C) C++ programs are interpreted by an interpreter
Q2. Which of the following language feature is not an access specifier in C++?
(A) Public
(B) Private
(C) C protected
(D) Internal
Answer: (D) Internal
Q3. The statement i++; is equivalent to
(A) i = i + i;
(B) i = i + 1;
(C) i = i – 1;
(D) i –;
Answer: (A) i = i + i;
Q4. Which of the following library function below by default aborts the program?
(A) Terminate()
(B) end()
(C) Abort()
(D) exit()
Answer: (D) exit()
Q5. Which of the following operators can be overloaded?
(A) . (dot or member access operator)
(B) & (address-of operator)
(C) size-of operator
(D) ?: (conditional operator)
Answer: (D) ?: (conditional operator)
Q6. What is shallow copy?
(A) A shallow copy creates a copy of the dynamically allocated objects too
(B) A shallow copy just copies the values of the data as they are
(C) A shallow copy creates a copy of the statically allocated objects too
(D) Both b and c above
Answer: (B) A shallow copy just copies the values of the data as they are
Q7. Value of ix+j, if i, j are integer type and ix long type would be
(A) Integer
(B) Float
(C) Long integer
(D) Double precision
Answer: (B) Float
Q8. Which of the following languages is a subset of C++ language?
(A) C language
(B) Java Language
(C) C# language
(D) language
Answer: (D) language
Q9. If a member needs to have unique value for all the objects of that same class, declare the member as
(A) Global variable outside class
(B) Local variable inside constructor
(C) Static variable inside class
(D) Dynamic variable inside class
Answer: (A) Global variable outside class
Q10. In C language, a hexadecimal number is represented by writing
(A) x
(B) xo
(C) ox
(D) h
Answer: (B) xo
Q11. Which of the following below can perform conversions between pointers to related classes?
(A) a.A. cast_static
(B) b.B. dynamic_cast
(C) c.c. static_cast
(D) d.D. cast_dynamic
Answer:(C) c.c. static_cast
Q12. How do we declare an ‘interface’ class?
(A) By making all the methods pure virtual in a class
(B) By making all the methods abstract using the keyword ‘abstract’ in a class
(C) By declaring the class as interface with the keyword ‘interface’
(D) It is not possible to create interface class in C++
Answer: (A) By making all the methods pure virtual in a class
Q13. Which of the following below is /are a valid iterator type?
(A) Input Iterator
(B) Backward Iterator
(C) Forward Iterator
(D) Both (a) and (c) above
Answer: (A) Input Iterator
Q14. What defines a general set of operations that will be applied to various types of data?
(A) Template class
(B) Function template
(C) Class template
(D) Both (a) and (c) above
Answer: (D) Both (a) and (c) above
Q15. What is deep copy?
(A) A deep copy creates a copy of the dynamically allocated objects too
(B) A deep copy just copies the values of the data as they are
(C) A deep copy creates a copy of the statically allocated objects too
(D) Both (b) and (c) above
Answer: (B) A deep copy just copies the values of the data as they are
C++ Programming MCQ – All Set
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