C++ basic concepts - C++ (MCQ) questions and answers
Here, you can read C++ basic concepts multiple choice questions and answers with explanation.
1) Constant variables can be created in CPP by using ________ .
- Published on 19 Oct 15
a. enum
b. const
c. #define
d. All of these
e. None of these
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Answer
Explanation
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ANSWER: All of these
Explanation:
No explanation is available for this question!
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2) Object oriented programming employs_________ programming approach.
- Published on 19 Oct 15
a. top-down
b. procedural
c. bottom-up
d. all of these.
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Answer
Explanation
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ANSWER: bottom-up
Explanation:
No explanation is available for this question!
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3) In CPP, cin and cout are the predefined stream __________ .
- Published on 19 Oct 15
a. Operator
b. Functions
c. Objects
d. Data types
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Answer
Explanation
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ANSWER: Objects
Explanation:
No explanation is available for this question!
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4) _________________are used for generic programming.
- Published on 19 Oct 15
a. Inheritance
b. Virtual Functions
c. Templates
d. None of these
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Answer
Explanation
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ANSWER: Templates
Explanation:
No explanation is available for this question!
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5) Can a class be declared/defined inside another class ?
- Published on 19 Oct 15
a. Yes
b. No
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Answer
Explanation
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ANSWER: Yes
Explanation:
No explanation is available for this question!
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6) The CPP compiler supports automatic type conversions for the user defined datatypes.
- Published on 19 Oct 15
a. True
b. False
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Answer
Explanation
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ANSWER: False
Explanation:
No explanation is available for this question!
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7) Which one is suitable syntax for function template?
- Published on 19 Oct 15
a. template< class T> return_type Function_Name(parameters)
b. template< typename T> return_type Function_Name(parameters)
c. both a and b
d. None of these
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Answer
Explanation
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ANSWER: both a and b
Explanation:
No explanation is available for this question!
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8) A class can contain objects of other classes and this phenomenon is called_________ .
- Published on 19 Oct 15
a. Relationship
b. Object Association
c. Containership
d. None of these
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Answer
Explanation
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ANSWER: Containership
Explanation:
No explanation is available for this question!
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9) While redefining a virtual function in the derived class, if its prototype is changed then ___________________ .
- Published on 19 Jul 15
a. It will be overloaded by the compiler
b. Its virtual nature will be lost
c. both a and b
d. Compiler will generate “Prototype mismatch error”
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Answer
Explanation
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ANSWER: both a and b
Explanation:
No explanation is available for this question!
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10) Object based language differs from object oriented language as it does not support features _____ .
1. Encapsulation
2. Inheritance
3. Dynamic Binding
4. Abstraction
5. Polymorphism
- Published on 19 Jul 15
a. only 3 ,4
b. only 1,3,5
c. 2,4,5
d. Only 2,3
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Answer
Explanation
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ANSWER: Only 2,3
Explanation:
No explanation is available for this question!
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