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

TRB-CS-VIP ONLINE COACHING CENTER (QUIZ-5) C++ Programming

Quiz

 

1. In a simple 'if' statement with no 'else'. What happens if the condition following the 'if is false?
   1.   the program searches for the last else in the program
   2.   nothing
   3.   control 'falls through' to the statement following 'if
   4.   the body of the statement is executed
2. If two types of errors may be thrown, you should write _______
   1.   no catch blocks
   2.   one catch block with two arguments
   3.   two catch block-one with an argument, and one without
   4.   two catch blocks with one argument each
3. The name of a function ends with
   1.   double quotes
   2.   single quotes
   3.   parenthesis
   4.   #
4. Which of the following is not a programming control structure?
   1.   repetition
   2.   selection
   3.   sequency
   4.   sorting
5. The bitwise OR operator is a
   1.   unary operator
   2.   binary operator
   3.   ternary operator
   4.   octal operator
6. A class Stockltems has four data members and three function members. You define 50 objects as members of the class. Which is true?
   1.   Only one copy of each of the tnree functions exists
   2.   Only one copy of each of the four data members exists
   3.   Both (a) and (b) are true
   4.   Neither (a) nor (b) is true
7. The continue statement should be written only
   1.   in the body of a loop.
   2.   in the nested loops
   3.   outside the body of a loop
   4.   any where
8. A major advantage of inheritance is
   1.   reducing the time it takes to create new objects
   2.   not having to think about how objects will be used
   3.   reducing the amount of memory required to execute a progrma
   4.   enabling people who have not studied programming to create useful applications
9. When a variable exists or is accessible, it is said to be _____
   1.   immediate
   2.   in the path
   3.   availablein scope
   4.   in scope
10. . The feature that allows the same operations to be carried out differently depending on the object is _____
    
    1.   polymorphism
    2.   polygamy
    3.   inheritane
    4.   multitasking
11. Which of the following is a C++ class?
    1.   >>
    2.   read()
    3.   cin
    4.   iostream
12. Precedence determines which operator
    1.   is evaluated first
    2.   is most important
    3.   is fastest
    4.   operates on the largest number
13. When using the standard files that come with the C++ compiler, you should surround the header file name with _____
    
    1.   square brackets
    2.   angle brackets
    3.   parentheses
    4.   quotes
14. The loop condition in a flowchart is represented by a(n) _____
    1.   diamond
    2.   oval
    3.   parallelogram
    4.   rectangle
15. Inheritance is the principle that
    1.   classes with the same name must be derived from one another
    2.   knowledge of a general category can be applied to more specific objects
    3.   knowledge of a general category can be applied to more specific objects
    4.   one function name may invoke different methods
16. You typically initialize a String variable to _____
    1.   an asterisk
    2.   a space enclosed in single quotes
    3.   the number 0
    4.   a zero-length string
17. The set of instructions for how to tie a bow is an example of the _____ structure
    1.   control
    2.   repetition
    3.   selection
    4.   sequence
18. If no exception is thrown ________
    1.   a catch block will cause an error
    2.   the first catch block coded will execute
    3.   the last catch block coded with execute
    4.   any catch blocks coded with be bypassed
19. A program that predicts the exact sequence in which events will take place is said to be ________
    1.   compiled
    2.   interpreted
    3.   procedural
    4.   object-oriented
20. . A blueprint for creating an object in C++ is called ____
    1.   a class
    2.   an instance
    3.   a map
    4.   a pattern
21. The prototype for a derived class constructor may include arguments for
    1.   data members of the derived class
    2.   data members of the base class
    3.   both (a) and (b)
    4.   neither (a) nor (b)
22. Overloading involves writing two or more functions with _______
    1.   different names and different argument lists
    2.   different names and the same argument list
    3.   the same name and different argument lists
    4.   the same name and the same argument list
23. You___________overload function templates
    1.   may, as long as each version has the same arguments
    2.   may, as long as each version has different arguments
    3.   must
    4.   must not
24. You typically initialize Character variables to _____
    1.   a space enclosed in double quotes
    2.   a space enclosed in single quotes
    3.   the letter O
    4.   the number 0
25. One way pointers are useful is to refer to a memory address that has no _____
    1.   name
    2.   constant
    3.   location
    4.   field