McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Computer Applications (BCA) , Programming Languages .
| 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 */ | |
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