TRB-CS-VIP ONLINE COACHING CENTER ( STUDY MATERIALS) *C++ PROGRAMMING*

TRB-CS-VIP ONLINE COACHING CENTER ( STUDY MATERIALS) *C++ PROGRAMMING*

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TRB-CS-VIP ONLINE COACHING CENTER (QUIZ-7) *C++ PROGRAMMING*

TRB-CS-VIP ONLINE COACHING CENTER (QUIZ-7) *C++ PROGRAMMING*

Quiz

 

1. In the C language, the character type of constant is delimited by using
   1.   single quotes
   2.   double quotes
   3.   parenthesis
   4.   #
2. One way in which a structure differs from an array is that _____
   1.   a structure may have members of more than one type
   2.   a structure must have members that; are all the same type
   3.   art array may have members of more than one type
   4.   there is no difference between a structure and an array
3. . A default constructor _____
   1.   takes no arguments
   2.   has default values for all its arguments
   3.   either (a) or (b)
   4.   neither (a) nor (b).
4. 204 . The number 125.35 is a _____
   
   1.   character literal constant
   2.   numeric literal constant
   3.   string literal constant
   4.   variable
5. 205 . When a class serves as a base class to others, _____
   
   1.   all of its members are inherited
   2.   all of its members are inherited, except for any private members
   3.   all of its members are inherited, except for any protected members
   4.   None of its members is inherited unless specifically "listed
6. 206 . Storing a class definition in a separate file is an example of
   
   1.   polymorphism
   2.   name mangling
   3.   implementation hiding
   4.   inheritance
7. Which is true?
   
   1.   Sequential cohesion is slightly weaker than functional cohesion
   2.   Sequential cohesion is slightly stronger than functional cohesion
   3.   Sequential cohesion is much stronger than functional cohesion
   4.   Neither sequential cohesion nor functional cohesion is stronger than the other
8. . A class named student must have a constructor whose name is
   
   1.   student
   2.   student
   3.   constructor
   4.   any legal C++ name.
9. 209 . The statement double val[15]={44.123456};
   
   1.   assigns the value 44.123456 to all members of the array val
   2.   assigns the value 44.123456 to val[0] and 0 to the rest of the members
   3.   gives an error message
   4.   assigns the value 44.12345 to val[1] and val[5]
10. 210 . Which of the following C++ expressions will find the square root of the number 16?
    
    1.   pow (16, 2) (b) root (16, 2)
    2.   sqroot (16)
    3.   sqrt (16, 2)
    4.   sqrt (16)
11. 211 . Catch blocks must _____
    
    1.   appear in every object-oriented program
    2.   appear within try blocks
    3.   appear immediately after throw statements
    4.   appear immediately after try blocks
12. An exception specification begins with the keyword ____
    1.   exception
    2.   try
    3.   throw
    4.   catch
13. 213 . You construct a class in two sections, known as the _____
    
    1.   header and body
    2.   type and parameters
    3.   declaration and implementation
    4.   pointer and variable
14. The statement i*=3 is equivalent to
    1.   i = 3*
    2.   i = 3
    3.   i* = 3
    4.   i = i * 3
15. . The complement operator is represented by the symbol
    
    1.   ~
    2.   ^
    3.   i
    4.   <
16. One of the relational operators in the C language is
    
    1.   !=
    2.   &&
    3.   !
    4.   #
17. Within a program, you can instantiate ________that have a class template type
    
    1.   classes
    2.   functions
    3.   parameters
    4.   objects
18. The rules to any programming language are its _______
    
    1.   syntax
    2.   interpretation
    3.   logic
    4.   customs
19. Which of the following backslash codes used for bell?
    
    1.   \b
    2.   a
    3.   \r
    4.   \s
20. The last statement in a value-returning function is always _____
    
    1.   A. };
    2.   result expression;
    3.   return
    4.   return expression;
21. One of the logical operators in the C language is represented by the symbol
    1.   AND
    2.   &&
    3.   >=
    4.   <=
22. Which of the following declares and initializes an Integer variable named numltems?
    
    1.   int numltems = 0;
    2.   int numltems = '0';
    3.   integer numltems = 0;
    4.   numltems int = 0;
23. Which of the following tells C++ to display numbers in fixed notation?
    1.   setiosflags(fixed)
    2.   setiosflags(fixed: :is)
    3.   setiosflags(ios, fixed)
    4.   setiosflags(ios::fixed)
24. . The #include instruction is called a
    1.   direction
    2.   directive
    3.   merge instruction
    4.   statement
25. Another drawback to returning an error code from a function is that any error code returned by the function
    1.   must be of the same type as return type of the function
    2.   must not be a character
    3.   cannot be checked in a main() program
    4.   can have multiple meanings

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