TRB-CS-VIP ONLINE COACHING CENTER (QUIZ-6) C++ PROGRAMMING

TRB-CS-VIP ONLINE COACHING CENTER (QUIZ-6) C++ PROGRAMMING

Quiz

 

1. The outline or the definition of a function is called its
   1.   beta test
   2.   forerunner
   3.   outline
   4.   prototype
2. Which of the following is false?
   1.   Data stored in an array can be accessed faster than data stored in a disk file
   2.   Data stored in an array needs to be entered only once, typically at the beginning of the program
   3.   Arrays allow the programmer to store information in the computer's internal memory
   4.   None of the preceding statements are false
3. A function stub typically contains
   1.   the function header
   2.   the function braces
   3.   the return statement, if it's value- returning function
   4.   All of the above
4. A variable's _____ indicates which portions of the program can use the variable
   1.   area
   2.   extent
   3.   lifetime
   4.   scope
5. If an integer object is thrown with a throw statement, then a subsequent catch block has a usable match if the type of the catch argument is _____
   1.   const int &
   2.   int &
   3.   either (a) or (b)
   4.   neither (a) nor (b)
6. _____ variables are declared outside of any statement block
   1.   Area
   2.   Global
   3.   Local
   4.   Reference
7. The end of string is recognized by
   1.   the null character
   2.   the newline character
   3.   the $ sign
   4.   the / sign
8. Variable names known only to the procedure in which they are declared are ________
   1.   local
   2.   global
   3.   recent
   4.   internal
9. Whis is true?
   1.   A derived class may have more than one base class
   2.   A base class may have more than one derived class
   3.   both (a) and (b)
   4.   neither (a) nor (b)
10. The keyword used to define a structure is
    
    1.   stru
    2.   stt
    3.   struct
    4.   unlimited
11. 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
12. The C++ expression p --> val means the same thing as
    1.   *p.val
    2.   *(p.val)
    3.   (*p).vai
    4.   p.val
13. Which of the following tells C++ to display numbers with zero decimal places?
    1.   setiosflags(0)
    2.   setiosflags(zero)
    3.   setprecision(0)
    4.   setprecision(zero)
14. Code that has already been tested is said to be _____
    1.   inherited
    2.   reusable
    3.   reliable
    4.   polymorphic
15. The get() function returns _____
    1.   a character
    2.   void
    3.   a reference to the object that invoked it
    4.   a copy of the object that invoked it
16. The most efficient data type for a variable that the number 20000 is the _____ data type
    1.   Character
    2.   Double
    3.   Float
    4.   Long Integer
17. The number 5.5e3 is a _____ constant
    1.   character literal
    2.   named literal
    3.   numeric literal
    4.   string literal
18. The compiler determines the type used in a template function via ___________
    1.   the name of the function
    2.   the first variable declared within the function
    3.   the type of the argument passed to the function
    4.   the type of the value returned from the function
19. Simple routines that programmers use as place holders while a system is being tested are called ____
    1.   stubs
    2.   stumps
    3.   holders
    4.   templates
20. You can place function templates
    
    1.   at the end of main()
    2.   at the start of a program above main()
    3.   in two files-one for the definition and one for the function
    4.   any of the above
21. The two operators && an || are
    1.   arithmetic operators
    2.   equality operators
    3.   logical operators
    4.   relational operators
22. The arguments that determine the state of the cout object are called _____
    
    1.   classes
    2.   manipulators
    3.   format flags
    4.   state controllers
23. Static variables are sometimes called
    1.   class variables
    2.   functional variables
    3.   dynamic variables
    4.   auto variables
24. The variables declared in a statement block or listed in a function header's parameterlist are considered _____ variables
    
    1.   area
    2.   global
    3.   local
    4.   reference
25. is a collection of data objects and operators that can be evaluated to a single value
    1.   is a collection of data objects and operators that can be evaluated to a single value
    2.   is a name that substitutes for a sequence of characters
    3.   causes the computer to carry out some action
    4.   All of the above