MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In an economical model, physical object is |
| A. | economics |
| B. | transport |
| C. | probability |
| D. | country |
| Answer» E. | |
| 2. |
The major goal of inheritance in c++ is: |
| A. | To facilitate the conversion of data types |
| B. | To help modular programming |
| C. | To extend the capabilities of a class |
| D. | To hide the details of base class |
| Answer» D. To hide the details of base class | |
| 3. |
Many companies find that being able to reuse classes on a second project provides original programming investment |
| A. | decrease return |
| B. | increase return |
| C. | no return |
| D. | infinite return |
| Answer» C. no return | |
| 4. |
Class which share its characteristics to parent class but also add its own is termed as |
| A. | base class |
| B. | derived class |
| C. | sub class |
| D. | object |
| Answer» C. sub class | |
| 5. |
Automobile in a traffic flow simulation is |
| A. | object |
| B. | function |
| C. | data |
| D. | variable |
| Answer» B. function | |
| 6. |
Mouse, keyboard, disk drives and printers are basic elements of |
| A. | circuit design-user environment |
| B. | automobile-user environment |
| C. | economical environment |
| D. | computer-user environment |
| Answer» E. | |
| 7. |
C++ is derived from |
| A. | Java |
| B. | C |
| C. | PHP |
| D. | Smalltalk |
| Answer» C. PHP | |
| 8. |
You can read input that consists of multiple lines of text using |
| A. | the normal cout << combination |
| B. | the cin.get( ) function with one argument |
| C. | the cin.get( ) function with two arguments |
| D. | the cin.get( ) function with three arguments |
| Answer» D. the cin.get( ) function with three arguments | |
| 9. |
Mechanism of deriving a class from another derived class is known as____ |
| A. | Polymorphism |
| B. | Single Inheritance |
| C. | Multilevel Inheritance |
| D. | Message Passing |
| Answer» D. Message Passing | |
| 10. |
Consider the following class definitions: class a { }; class b: protected a { }; What happens when we try to compile this class? |
| A. | Will not compile because class body of a is not defined |
| B. | Will not compile because class body of b is not defined |
| C. | Will not compile because class a is not public inherited |
| D. | Will compile successfully |
| Answer» E. | |
| 11. |
Once a class has been written, created and debugged, it can be distributed to other programs for use in their own program. This is called |
| A. | reusability |
| B. | usability |
| C. | robust |
| D. | reboot |
| Answer» B. usability | |
| 12. |
Pure object oriented language is |
| A. | Scala |
| B. | PHP |
| C. | C |
| D. | Matlab |
| Answer» B. PHP | |
| 13. |
When an existing operator, such as + or =, is given the capacity to operate on a new data type, is said to be |
| A. | overloaded |
| B. | loaded |
| C. | unloaded |
| D. | None of these |
| Answer» B. loaded | |
| 14. |
Data encapsulation and data hiding are key features of |
| A. | procedural language |
| B. | machine language |
| C. | structural language |
| D. | object oriented language |
| Answer» E. | |
| 15. |
Arrays in object oriented language can be referred to as data storage |
| A. | constructs |
| B. | entities |
| C. | collection |
| D. | types |
| Answer» B. entities | |
| 16. |
Language in which arrangement of separate data and functions does a poor job of modeling things in real world is |
| A. | Procedural language |
| B. | Object oriented language |
| C. | Module language |
| D. | C++ |
| Answer» B. Object oriented language | |
| 17. |
Data type which holds its own data members and member functions, which can be accessed and used by creating an instance of that class is known as |
| A. | user defined data type |
| B. | by default data type |
| C. | integer data type |
| D. | string data type |
| Answer» B. by default data type | |
| 18. |
RunTime polymorphism is achieved by ___________ |
| A. | friend function |
| B. | virtual function |
| C. | operator overloading |
| D. | function overloading |
| Answer» C. operator overloading | |
| 19. |
RunTime Polymorphism is achieved by ______ |
| A. | friend function |
| B. | virtual function |
| C. | operator overloading |
| D. | function overloading |
| Answer» C. operator overloading | |
| 20. |
What is the output of the following code : char symbol[3]={‘a’,‘b’,‘c’};for (int index=0; index |
| A. | a b c |
| B. | “abc” |
| C. | abc |
| D. | ‘abc’ |
| Answer» D. ‘abc’ | |
| 21. |
A copy constructor takes |
| A. | no argument |
| B. | one argument |
| C. | two arguments |
| D. | arbitrary no. of arguments |
| Answer» C. two arguments | |
| 22. |
If we create a file by ‘ifstream’, then the default mode of the file is _________ |
| A. | ios :: out |
| B. | ios :: in |
| C. | ios :: app |
| D. | ios :: binary |
| Answer» C. ios :: app | |