TRB-CS-VIP ONLINE COACHING CENTER (QUIZ-3) C++ Programming

TRB-CS-VIP ONLINE COACHING CENTER (QUIZ-4) C++ Programming

Quiz

 

1. When a class is derived from another derived class, the newly derived class
   1.   may have more liberal access to a base class member than its immediate predecessor
   2.   may have the same type of access to a base class member as its immediate predecessor
   3.   may have more limited access to a base class member than its immediate predecessor
   4.   both (b) and (c)
2. If you assign a default value to any variable in a function prototype's parameter list, then _____
   1.   all other parameters in the function prototype must have default values
   2.   all parameters to the right of that variable must have default values
   3.   all parameters to the left of that variable must have default values
   4.   no other parameters in that prototype can have default values
3. The dot operator (or class member access operator) connects the following two entities (reading from left to right):
   1.   a class member and a class object
   2.   a class object and a class
   3.   a class and a member of that class
   4.   a class object and a member of that class
4. Which of the following calls a function named displayName, passing it no actual arguments?
   1.   call displayName;
   2.   call displayName ();
   3.   displayName;
   4.   displayName();
5. The feature that allows you to use the same function name for separate functions that have different argument lists is called _____
   1.   overriding
   2.   overloading
   3.   constructing
   4.   destructing
6. Which of the following are valid characters constants?
   1.   '\n'
   2.   '\\'
   3.   '\0'
   4.   All of the above
7. With a template class, _____ type is generic
   1.   no
   2.   exactly one
   3.   at least one
   4.   at most one
8. If you want to use a class to define objects in many different programs, you should define the class in a C++ _____ file
   1.   header
   2.   program
   3.   source
   4.   text
9. Functions that returns information about an object's state can be classified as ________
   1.   inspector functions
   2.   mutator functions
   3.   auxiliary functions
   4.   manager functions
10. An auxiliary function _____
    1.   return information about data members
    2.   changes the state of data members
    3.   performs an action or service
    4.   creates and destroys objects
11. To create and execute a C++ program, you need to have access to
    1.   a C++ compiler
    2.   a C++ translator
    3.   an object code editor
    4.   a text editor
12. If you omit any constructor argument when you instantiate an object, you must use default values______
    
    1.   for all parameters to the constructor
    2.   for all parameters to the right of the argument
    3.   for all parameters to the left of the argument
    4.   for no other parameters
13. Many programmers separate a class into two files: _____
    1.   one for the declarations and one for the implementations
    2.   one for the void functions and one for the other functions
    3.   one for the public data and one for the private data
    4.   one for the primary functions and one for the auxiliary functions
14. Files whose names end in .h are called _____ files
    1.   handy
    2.   header
    3.   helper
    4.   helping
15. When accessing a structure member, the identifier to the left of the dot operator is the name of
    1.   a structure member
    2.   a structure tag
    3.   a structure variable
    4.   the keyword struct
16. 116 . Assume that a program contains a programmer-defined void function. When C++ encounters the function's closing brace (}), C++ returns to the statement _____
    1.   immediately above the statement that called the function
    2.   that called the function
    3.   immediately below the statement that called the function
    4.   a structure member
17. Inheritance occurs when a class adopts all the traits of _________
    1.   an object
    2.   a parent class
    3.   a variable
    4.   a function
18. Template classes that have already been written to perform common class tasks are called _____
    1.   container classes
    2.   receptacle classes
    3.   repository classes
    4.   alembic classes
19. A _____ is a single item of information about a person, place, or thing
    1.   data file
    2.   field
    3.   program file
    4.   record
20. Which (if any) of the following is NOT a programmer-defined type
    1.   an array
    2.   a structure
    3.   a class
    4.   All of the above are programmer-defined types
21. Assume a program contains a void function named displayName, which requires no formal parameters. Which of the following is a correct function prototype for this function?
    1.   displayName;
    2.   displayName(void);
    3.   void displayName;
    4.   void displayName();
22. You declare a function with a function _____, which is typically entered at the beginning of the program, below the #include directives
    
    1.   call
    2.   prototype declaration
    3.   definition
    4.   pointer
23. The function whose prototype is Item getData(void); returns _____
    1.   the address of a structure
    2.   a copy of a structure
    3.   a pointer to a structure
    4.   nothing
24. Using new may result in less _____ memory than using an array
    1.   wasted
    2.   used
    3.   RAM
    4.   ROM
25. The most common operation used in constructors is
    1.   addition
    2.   overloading
    3.   assignment
    4.   polymorphism