McqMate
| 1. |
In object oriented Programming the program is divided into ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐. |
| A. | class |
| B. | object |
| C. | function |
| D. | none of these |
| Answer» B. object | |
| 2. |
Which one is the Object Oriented Programming language? |
| A. | Cobol |
| B. | C |
| C. | C++ |
| D. | both C & C++ |
| Answer» C. C++ | |
| 3. |
The wrapping up of data and functions into a single unit is called ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐. |
| A. | inheritance |
| B. | encapsulation |
| C. | data hiding |
| D. | polymorphism |
| Answer» B. encapsulation | |
| 4. |
The process by which objects of one class acquire the properties of objects of another class is called ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ . |
| A. | abstraction |
| B. | inheritance |
| C. | encapsulation |
| D. | polymorphism |
| Answer» B. inheritance | |
| 5. |
In OOP which cocept provides the idea of reusability. |
| A. | inheritance |
| B. | encapsulation |
| C. | data hiding |
| D. | polymorphism |
| Answer» A. inheritance | |
| 6. |
The process of making an operator to exhibit different behaviors in different instances is called ‐‐‐ ‐‐. |
| A. | function overloading |
| B. | operator overloading |
| C. | inheritance |
| D. | none of these |
| Answer» B. operator overloading | |
| 7. |
The process of making a function to exhibit different behaviors in different instances is called ‐‐‐‐‐. |
| A. | function overloading |
| B. | operator overloading |
| C. | inheritance |
| D. | none of these |
| Answer» A. function overloading | |
| 8. |
Objects communicate with one another by using ‐‐‐‐‐‐‐‐‐‐. |
| A. | message passing |
| B. | operator overloading |
| C. | inheritance |
| D. | both a & b |
| Answer» A. message passing | |
| 9. |
Through ‐‐‐‐‐‐‐‐ we can eliminate redundant code and extend the use of existing class. |
| A. | inheritance |
| B. | operator overloading |
| C. | encapsulation |
| D. | both a & b |
| Answer» A. inheritance | |
| 10. |
The ‐‐‐‐‐‐‐‐‐ principle helps the programmer to build secure programs. |
| A. | operator overloading |
| B. | encapsulation |
| C. | data hiding |
| D. | polymorphism |
| Answer» C. data hiding | |
| 11. |
What are the basic run time entities in an object oriented program? |
| A. | objects |
| B. | functions |
| C. | datas |
| D. | none of these |
| Answer» A. objects | |
| 12. |
OOPs follows ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ approach during program design. |
| A. | top down |
| B. | bottom ‐up |
| C. | both a & b |
| D. | none of these |
| Answer» B. bottom ‐up | |
| 13. |
The technique of Hiding internal details in an object is called‐‐‐‐‐ |
| A. | encapsulation |
| B. | functions |
| C. | Abstraction |
| D. | inheritance |
| Answer» C. Abstraction | |
| 14. |
classes are ‐‐‐‐‐‐‐‐ datatype. |
| A. | derived |
| B. | user‐defined |
| C. | built‐in |
| D. | both a & c |
| Answer» B. user‐defined | |
| 15. |
‐‐‐‐‐‐‐‐‐‐ provides interface between the object’s data and program. |
| A. | object |
| B. | functions |
| C. | class |
| D. | polymorphism |
| Answer» B. functions | |
| 16. |
‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ refers to the linking of procedure call to the code to be executed in response to the call. |
| A. | polymorphism |
| B. | functions |
| C. | dynamic binding |
| D. | object |
| Answer» C. dynamic binding | |
| 17. |
A ‐‐‐‐‐‐‐‐ for an object is a request for execution of a procedure. |
| A. | object |
| B. | functions |
| C. | dynamic binding |
| D. | message |
| Answer» D. message | |
| 18. |
The << operator is known as‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐. |
| A. | put to |
| B. | get from |
| C. | insertion |
| D. | both a & c |
| Answer» D. both a & c | |
| 19. |
The >> operator is known as‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐. |
| A. | put to |
| B. | get from |
| C. | extraction |
| D. | both b & c |
| Answer» D. both b & c | |
| 20. |
‐‐‐‐‐‐‐‐ contains function prototype for the standard input and output functions. |
| A. | iomanip.h |
| B. | iostream.h |
| C. | stdlib.h |
| D. | both a & b |
| Answer» B. iostream.h | |
| 21. |
In C++ default return type for all the functions is ‐‐‐‐‐‐‐‐‐. |
| A. | int |
| B. | void |
| C. | float |
| D. | none of these |
| Answer» A. int | |
| 22. |
Tne multiple use of input and output operator is called ……………. |
| A. | polymorphism |
| B. | inheritance |
| C. | cascading |
| D. | none of these. |
| Answer» C. cascading | |
| 23. |
Which of the following is not a feature of OOPs. |
| A. | polymorphism |
| B. | inheritance |
| C. | dynamic binding |
| D. | none of these. |
| Answer» D. none of these. | |
| 24. |
‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ model is also known as linear sequential model. |
| A. | prototype model |
| B. | waterfall model |
| C. | spiral model |
| D. | none of these |
| Answer» B. waterfall model | |
| 25. |
In UML ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ is a collection of things tied together through relationships. |
| A. | things |
| B. | relationships |
| C. | diagrams |
| D. | none of these |
| Answer» C. diagrams | |
| 26. |
A ‐‐‐‐‐‐‐‐ is a physical device that exists at run time. |
| A. | node |
| B. | package |
| C. | both a and b |
| D. | none of these |
| Answer» A. node | |
| 27. |
Which of the following is a UML relationship. |
| A. | dependency |
| B. | association |
| C. | generalization |
| D. | all of the above |
| Answer» D. all of the above | |
| 28. |
Which of the following is a UML constituents |
| A. | things |
| B. | relationships |
| C. | diagrams |
| D. | all of the above |
| Answer» D. all of the above | |
| 29. |
‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ are conceptual things which exists only during the development process. |
| A. | Package |
| B. | node |
| C. | class |
| D. | none of the above |
| Answer» A. Package | |
| 30. |
‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐ relationship indicates that the change to an independent thing will affect the dependent thing. |
| A. | inheritance |
| B. | dependency |
| C. | association |
| D. | aggregation |
| Answer» B. dependency | |
| 31. |
‐‐‐‐‐‐‐ can represent items of varying data types to an item. |
| A. | Class |
| B. | Array |
| C. | Structures |
| D. | Object |
| Answer» C. Structures | |
| 32. |
‐‐‐‐‐‐ are the smallest or the atomic elements of a language. |
| A. | Identifiers |
| B. | Literals |
| C. | Keywords |
| D. | Tokens |
| Answer» D. Tokens | |
| 33. |
Blanks, tabs, newlines, form feeds and comments are collectively called ‐‐‐‐‐‐‐ |
| A. | Blank fields |
| B. | White space |
| C. | Null values |
| D. | Literals |
| Answer» B. White space | |
| 34. |
Find the false statement from the following |
| A. | An identifier in C++ is defined as an unlimited sequence of characters. |
| B. | The first character must be an alphabet followed by digits or underscore or alphabets. |
| C. | Identifiers are not case sensitive. |
| D. | You can use both uppercase and lower case alphabets in the same identifier. |
| Answer» C. Identifiers are not case sensitive. | |
| 35. |
The instructions, which are used in programming, are called ‐‐‐‐‐‐‐‐ |
| A. | Data type |
| B. | Keywords |
| C. | Objects |
| D. | Identifiers |
| Answer» B. Keywords | |
| 36. |
‐‐‐‐‐ are the reserved words of the programming language. |
| A. | Tokens |
| B. | Literals |
| C. | Separators |
| D. | Keywords |
| Answer» D. Keywords | |
| 37. |
‐‐‐‐‐ refer to the names of variables, functions, arrays, classes, etc. |
| A. | Identifiers |
| B. | Operators |
| C. | Punctuators |
| D. | Manipulators |
| Answer» A. Identifiers | |
| 38. |
Write the range of value of the data type ‘char’ |
| A. | 0 to 128 |
| B. | 0 to 255 |
| C. | ‐255 to 255 |
| D. | ‐128 to 127 |
| Answer» D. ‐128 to 127 | |
| 39. |
Write the range of value of the data type ‘int’ |
| A. | ‐32,768 to 32,767 |
| B. | 0 to 65535 |
| C. | 0 to 65536 |
| D. | 0 to 32768 |
| Answer» A. ‐32,768 to 32,767 | |
| 40. |
The standard ASCII characters have numeric values from ‐‐‐ to ‐‐‐‐ |
| A. | 0 to 128 |
| B. | 0 to 127 |
| C. | 0 to 255 |
| D. | 0 to 256 |
| Answer» B. 0 to 127 | |
| 41. |
Identify the data type of the value ‐2567113254L |
| A. | Long integer |
| B. | Integer |
| C. | Short integer |
| D. | Big integer |
| Answer» A. Long integer | |
| 42. |
Identify the valid integer from the following: |
| A. | 325.6 |
| B. | 255 356UL |
| C. | ‐3658 9586L |
| D. | +324454ul |
| Answer» D. +324454ul | |
| 43. |
A ‐‐‐‐‐ is the name of the storage location |
| A. | Identifier |
| B. | Variable |
| C. | Keyword |
| D. | Token |
| Answer» B. Variable | |
| 44. |
The operator “>>” is called ‐‐‐‐‐ |
| A. | Extraction operator |
| B. | Insertion operator |
| C. | Put to operator |
| D. | Printing operator |
| Answer» A. Extraction operator | |
| 45. |
Array indexing always starts with the number |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | \0 |
| Answer» A. 0 | |
| 46. |
We declare a function with ______ if it does not have any return type |
| A. | long |
| B. | double |
| C. | void |
| D. | int |
| Answer» C. void | |
| 47. |
Which of the following is selection statement in C++? |
| A. | Break |
| B. | goto |
| C. | exit |
| D. | switch |
| Answer» D. switch | |
| 48. |
There is a unique function in C++ program by where all C++ programs start their execution |
| A. | start() |
| B. | begin() |
| C. | main() |
| D. | output() |
| Answer» C. main() | |
| 49. |
A block comment can be written by |
| A. | Starting every line with double slashes (//) |
| B. | Starting with /* and ending with */ |
| C. | Starting with //* and ending with *// |
| D. | Starting with <!‐ and ending with ‐!> |
| Answer» B. Starting with /* and ending with */ | |
| 50. |
Which of the following is a correct comment? |
| A. | */ Comments */ |
| B. | ** Comment ** |
| C. | /* Comment */ |
| D. | { Comment } |
| Answer» C. /* Comment */ | |
| 51. |
Which of the following is not a correct variable type? |
| A. | Float |
| B. | Real |
| C. | Int |
| D. | double |
| Answer» B. Real | |
| 52. |
A variable is/are |
| A. | String that varies during program execution |
| B. | A portion of memory to store a determined value |
| C. | Those numbers that are frequently required in programs |
| D. | None of these |
| Answer» B. A portion of memory to store a determined value | |
| 53. |
By default, the members of a C++ class are: |
| A. | Private |
| B. | Public |
| C. | Protected |
| D. | None of these |
| Answer» A. Private | |
| 54. |
Which of the following function that must contain in all C++ Programs |
| A. | start() |
| B. | system() |
| C. | main() |
| D. | program() |
| Answer» C. main() | |
| 55. |
Which one of the following is the correct operator to compare two values |
| A. | := |
| B. | = |
| C. | Equal |
| D. | = = |
| Answer» D. = = | |
| 56. |
C++ is originally developed by |
| A. | Nicolas Wirth |
| B. | Dennis Ritchi |
| C. | Bjarne Stroustrup |
| D. | Ken Thompson |
| Answer» C. Bjarne Stroustrup | |
| 57. |
The operator ‘<< ‘is called |
| A. | Get from operator |
| B. | Put to operator |
| C. | Extraction operator |
| D. | None of these |
| Answer» B. Put to operator | |
| 58. |
Identify the unary operator. |
| A. | ? , : |
| B. | ++ |
| C. | + |
| D. | % |
| Answer» B. ++ | |
| 59. |
The ‐‐‐‐‐‐‐ are used to check the relationship between two numeric operands or expressions. |
| A. | Logical operators |
| B. | Relational operators |
| C. | Arithmetic operators |
| D. | Bitwise operators |
| Answer» B. Relational operators | |
| 60. |
To increase the value of c by one which of the following statement is wrong? |
| A. | c++; |
| B. | c = c + 1; |
| C. | c + 1 => c; |
| D. | c += 1 |
| Answer» C. c + 1 => c; | |
| 61. |
In an assignment statement a=b Which of the following statement is true? |
| A. | The variable a and the variable b are equal. |
| B. | The value of b is assigned to variable a but the later changes on variable b will not affect the value of variable a |
| C. | The value of b is assigned to variable a and the later changes on variable b will affect the value of variable a |
| D. | The value of variable a is assigned to variable b and the value of variable b is assigned to variable a. |
| Answer» B. The value of b is assigned to variable a but the later changes on variable b will not affect the value of variable a | |
| 62. |
The continue statement |
| A. | resumes the program if it is hanged |
| B. | resumes the program if it was break was applied |
| C. | skips the rest of the loop in current iteration |
| D. | all of above |
| Answer» C. skips the rest of the loop in current iteration | |
| 63. |
Find out the error in following block of code. If (x = 100) Cout << “x is 100”; |
| A. | 100 should be enclosed in quotations |
| B. | There is no semicolon at the end of first line |
| C. | Equals to operator mistake |
| D. | Variable x should not be inside quotation |
| Answer» C. Equals to operator mistake | |
| 64. |
What is the final value of x when the code int x; for(x=0; x<10; x++) {} is run? |
| A. | 10 |
| B. | 9 |
| C. | 0 |
| D. | 1 |
| Answer» A. 10 | |
| 65. |
When following piece of code is executed, what happens?b = 3; a = b++; |
| A. | a contains 3 and b contains 4 |
| B. | a contains 4 and b contains 4 |
| C. | a contains 4 and b contains 3 |
| D. | a contains 3 and b contains 3 |
| Answer» A. a contains 3 and b contains 4 | |
| 66. |
In case of arguments passed by values when calling a function such as z=addidion(x,y), |
| A. | Any modifications to the variables x & y from inside the function will not have any effect outside the function. |
| B. | The variables x and y will be updated when any modification is done in the function |
| C. | The variables x and y are passed to the function addition |
| D. | None of above are valid. |
| Answer» A. Any modifications to the variables x & y from inside the function will not have any effect outside the function. | |
| 67. |
How many times is a do while loop guaranteed to loop? |
| A. | 0 |
| B. | Infinitely |
| C. | 1 |
| D. | variable |
| Answer» C. 1 | |
| 68. |
Which of the following is not a valid relational operator? |
| A. | == |
| B. | => |
| C. | >= |
| D. | >= |
| Answer» B. => | |
| 69. |
The result of a Relational operation is always |
| A. | either True or False |
| B. | is less than or is more than |
| C. | is equal or less or more |
| D. | All of these |
| Answer» A. either True or False | |
| 70. |
A ‐‐‐‐‐‐‐‐ is a memory portion of memory to store a determined value. |
| A. | Constant |
| B. | Variable |
| C. | Keyword |
| D. | Separators |
| Answer» B. Variable | |
| 71. |
An identifier may ‐‐‐‐‐‐‐‐ |
| A. | Strings, that varies at program execution. |
| B. | Those numbers, that is frequently required in programs. |
| C. | The name of a variable. |
| D. | None of these |
| Answer» C. The name of a variable. | |
| 72. |
The visibility of variables inside a structure is |
| A. | Private |
| B. | Public |
| C. | Protected |
| D. | None of these |
| Answer» B. Public | |
| 73. |
‐‐‐‐‐‐‐ are used for comparing two conditions or to write a compound condition. |
| A. | Relational operators |
| B. | Ternary operator |
| C. | Conditional operator |
| D. | Logical operator |
| Answer» D. Logical operator | |
| 74. |
‐‐‐‐‐ statement is used to print a blank line in CPP program |
| A. | “\n” |
| B. | endl |
| C. | Both ‘a’ and ‘b’ |
| D. | None of these |
| Answer» C. Both ‘a’ and ‘b’ | |
| 75. |
int d=int (a) + int (b);This statement is an example of ‐‐‐‐‐‐‐ |
| A. | Implicit conversion |
| B. | Explicit conversion |
| C. | Internal conversion |
| D. | External conversion |
| Answer» B. Explicit conversion | |
| 76. |
Within a switch statement |
| A. | Continue can be used but Break cannot be used |
| B. | Continue cannot be used but Break can be used |
| C. | Both Continue and Break can be used |
| D. | Neither Continue nor Break can be used |
| Answer» B. Continue cannot be used but Break can be used | |
| 77. |
Strings are character arrays. The last index of it contains the null‐terminated character |
| A. | \n |
| B. | \t |
| C. | \0 |
| D. | \1 |
| Answer» C. \0 | |
| 78. |
Observe following function declaration and choose the best Ans:: int divide ( int a, int b = 2 ) |
| A. | Variable b is of integer type and will always have value 2 |
| B. | Variable a and b are of int type and the initial value of both variables is 2 |
| C. | Variable b is international scope and will have value 2 |
| D. | Variable b will have value 2 if not specified when calling function |
| Answer» D. Variable b will have value 2 if not specified when calling function | |
| 79. |
Arguments of a functions are separated with |
| A. | comma (,) |
| B. | semicolon (;) |
| C. | colon (:) |
| D. | None of these |
| Answer» A. comma (,) | |
| 80. |
Variables inside parenthesis of functions declarations have _____ level access. |
| A. | Local |
| B. | Global |
| C. | Module |
| D. | Universal |
| Answer» A. Local | |
| 81. |
‐‐‐‐‐‐‐‐‐‐‐ Statement used to branch unconditionally from one point to another in the program. |
| A. | Jump |
| B. | goto |
| C. | break |
| D. | exit(0) |
| Answer» B. goto | |
| 82. |
A white space is : |
| A. | blank space |
| B. | new line |
| C. | tab |
| D. | all of the above |
| Answer» D. all of the above | |
| 83. |
Which of the following statements are true in c++? |
| A. | Classes cannot have data as public members. |
| B. | Structures cannot have functions as members. |
| C. | Structures cannot have functions as members. |
| D. | None of these. |
| Answer» B. Structures cannot have functions as members. | |
| 84. |
What will be the values of x, m and n after the execution of the following statements? int x, m, n; m = 10; n = 15; x = ++m + n++; |
| A. | x=25, m=10, n=15 |
| B. | x=26, m=11, n=16 |
| C. | x=27, m=11, n=16 |
| D. | x=27, m=10, n=15 |
| Answer» B. x=26, m=11, n=16 | |
| 85. |
Consider the following statements: int x = 22,y=15; x = (x>y) ? (x+y) : (x‐y); What will be the value of x after executing these statements? |
| A. | 22 |
| B. | 37 |
| C. | 7 |
| D. | Error. Cannot be executed |
| Answer» B. 37 | |
| 86. |
‐‐‐‐‐‐‐ is the actual body of the function |
| A. | Library function |
| B. | Function call |
| C. | Function definition |
| D. | Function declaration |
| Answer» C. Function definition | |
| 87. |
Which of the following is an exit controlled loop? |
| A. | While |
| B. | For |
| C. | Switch |
| D. | do…. While |
| Answer» D. do…. While | |
| 88. |
‐‐‐‐‐ is a function that is expanded in line when it is invoked. |
| A. | Library function |
| B. | User defined function |
| C. | Inline function |
| D. | None of these |
| Answer» C. Inline function | |
| 89. |
The qualifier ‐‐‐‐‐‐ tells the compiler that the function should not modify the argument. |
| A. | Const |
| B. | Static |
| C. | Constant |
| D. | Inline |
| Answer» A. Const | |
| 90. |
‐‐‐‐‐‐ refers to the use of the same thing for different purpose. |
| A. | Function declaration |
| B. | Overloading |
| C. | Function calling |
| D. | Prototyping |
| Answer» B. Overloading | |
| 91. |
The functions declared inside the class is known as ‐‐‐‐‐‐‐‐ |
| A. | Data members |
| B. | Library functions |
| C. | Member functions |
| D. | User defined functions |
| Answer» C. Member functions | |
| 92. |
The binding of data and functions together into a single class‐type is referred to as ‐‐‐‐‐‐‐‐ |
| A. | Abstraction |
| B. | Encapsulation |
| C. | Inheritance |
| D. | Polymorphism |
| Answer» B. Encapsulation | |
| 93. |
When a function is defined inside a class,it is treated as ‐‐‐‐‐‐‐ |
| A. | Inline function |
| B. | Inside definition |
| C. | Inline definition |
| D. | Data function |
| Answer» A. Inline function | |
| 94. |
Calling a member function by using its name from another member function of the same class is known as ‐‐‐‐‐‐ |
| A. | Grouping of member function |
| B. | Member function group |
| C. | Nesting of member function |
| D. | Nested group of member function |
| Answer» C. Nesting of member function | |
| 95. |
‐‐‐‐‐ function can only be called by another function that is a member of its class. |
| A. | Member function |
| B. | Private member function |
| C. | Nested member function |
| D. | Public member function |
| Answer» B. Private member function | |
| 96. |
‐‐‐‐‐‐‐‐ are normally used to maintain values common to the entire class. |
| A. | Dynamic variables |
| B. | Static variables |
| C. | Private variables |
| D. | Public variables |
| Answer» B. Static variables | |
| 97. |
A static variable is initialized to ‐‐‐‐‐when the first object of its class is created. |
| A. | 1 |
| B. | Null |
| C. | 0 |
| D. | None of these |
| Answer» C. 0 | |
| 98. |
The same function name having different tasks |
| A. | Function overloading |
| B. | Constructor overloading |
| C. | Polymorphism |
| D. | Operator overloading |
| Answer» A. Function overloading | |
| 99. |
The main function having argument |
| A. | Default Argument |
| B. | Command line argument |
| C. | Const argument |
| D. | Constructor overloading |
| Answer» B. Command line argument | |
| 100. |
A function calling itself |
| A. | Inline function |
| B. | Static function |
| C. | Friend function |
| D. | Recursion |
| Answer» D. Recursion | |
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