Object Oriented Programming using c++ Multiple Choice Questions & Answers - Set 21 - ObjectiveBooks

Object Oriented Programming using c++ Multiple Choice Questions & Answers - Set 21

Practice Test: Question Set - 21

1. The logical NOT operator represented by is a
    (A) Unary operator
    (B) Binary operator
    (C) Ternary operator
    (D) Octal operator

2. You can use C++ as a procedural, as well as an object-oriented, language
    (A) True
    (B) False

3. An object is ________
    (A) A category of classes
    (B) A name given to a class
    (C) An instance of a class
    (D) The same as a class

4. To expose a data member to the program, you must declare the data member in the ________ section of the class
    (A) Common
    (B) Exposed
    (C) Public
    (D) Unrestricted

5. Which of the following is false?
    (A) You enclose a function's statements in a set of braces
    (B) The function header is considered a C++ statement, so it must end in a semicolon
    (C) The keyword void tells the C++ compiler that the function does not return a value
    (D) A function can receive information that you send (pass) to it

6. Which of the following is an access specifier?
    (A) Particular
    (B) Shielded
    (C) Protected
    (D) Safe

7. When the compiler cannot differentiate between two overloaded constructors, they are called
    (A) Overloaded
    (B) Destructed
    (C) Ambiguous
    (D) Dubious

8. Separating parts of a program into units that remain unaffected by other parts of a program is the concept known as _______
    (A) Intrusion
    (B) Volatility
    (C) Encapsulation
    (D) Protection

9. An asterisk placed after a data type means.
    (A) Array to
    (B) Pointer to
    (C) Address to
    (D) Located to

10. The newline character is always included between
    (A) Pair of parentheses
    (B) Pair of curly braces
    (C) Control string
    (D) &

11. The main difference in operation between an 'if statement and a 'while' statement is
    (A) The 'while' loop body is executed
    (B) The body of the 'while' statement may be executed many times, the body of the 'if statements only once
    (C) The conditional expression following the keyboard is evaluated differently
    (D) None of the above

12. The function printDataMembers() is not likely a(n) ________
    (A) Inspector functions
    (B) Mutator functions
    (C) Auxiliary functions
    (D) Manager functions

13. If container classes are carefully constructed, then these tools are available to work with structures that are not ________
    (A) Valid without container classes
    (B) Programmer-defined
    (C) Type-specific
    (D) Public

14. A constructor initialization list is preceded by
    (A) A semicolon
    (B) A colon
    (C) Two colons
    (D) A space

15. Which of the following formulas can be used to generate random integers between 1 and 10?
    (A) 1 + rand() % (10 - 1 + 1)
    (B) 1 + (10 - 1 + 1) % rand()
    (C) 10 + rand() % (10 - 1 + 1)
    (D) 10 + rand() % (10 + 1)

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