1) Public data members and member functions of the class are accessible ONLY to the member functions of that class.
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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2) Only functions of the class can access the data of the class and they(functions) provides the interface between data, objects and the program. This kind isolation of the data from direct access by the program is called _______________ .
a. Data Abstraction
b. Data Hiding
c. Data Binding
d. Data Encapsulation
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Answer
Explanation
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ANSWER: Data Hiding
Explanation:
No explanation is available for this question!
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3) A Constructor that does not have any parameters is called____________ Constructor.
a. Custom
b. Dynamic
c. Static
d. Default
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Answer
Explanation
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ANSWER: Default
Explanation:
No explanation is available for this question!
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4) If we have object from ofstream class, then default mode of opening the file is _____ .
a. ios::in
b. ios::out
c. ios::in|ios::trunc
d. ios::out|ios::trunk
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Answer
Explanation
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ANSWER: ios::out|ios::trunk
Explanation:
No explanation is available for this question!
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5) _______________ is a member function that is declared within a base class and redefined by derived class.
a. virtual function
b. static function
c. friend function
d. const member function
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Answer
Explanation
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ANSWER: virtual function
Explanation:
No explanation is available for this question!
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6) Syntax for Pure Virtual Function is ______________ .
a. virtual void show()==0
b. void virtual show()==0
c. virtual void show()=0
d. void virtual show()=0
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Answer
Explanation
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ANSWER: virtual void show()=0
Explanation:
No explanation is available for this question!
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7) Logical expressions produce ____________ type results.
a. explicit
b. garbage
c. bool
d. static
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Answer
Explanation
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ANSWER: bool
Explanation:
No explanation is available for this question!
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8) We can initialize a value of static variable of a class only when its object is created. No other initialization is permitted.
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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9) When a base class is privately inherited by the derived class, then_____________ .
a. protected members of the base class become private members of derived class
b. public members of the base class become private members of derived class
c. both a and b
d. only b
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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) What is the difference between protected and private access specifiers in inheritance?
a. private member is not inheritable and not accessible in derived class.
b. protected member is inheritable and also accessible in derived class.
c. Both are inheritable but private is accessible in the derived class.
d. Both are inheritable but protected is not accessible in the derived class.
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Answer
Explanation
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ANSWER: protected member is inheritable and also accessible in derived class.
Explanation:
No explanation is available for this question!
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11) A friend function does not have 'this' pointer associated with it.
a. True
b. False
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Answer
Explanation
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ANSWER: True
Explanation:
No explanation is available for this question!
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12) In nested try blocks, if both inner and outer catch handlers are not able to handle the exception, then ______________ .
a. Compiler executes only executable statements of main().
b. Compiler issues compile time errors about it.
c. Program will be executed without any interrupt.
d. Program will be terminated abnormally.
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Answer
Explanation
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ANSWER: Program will be terminated abnormally.
Explanation:
No explanation is available for this question!
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13) Throwing an unhandled exception causes standard library function then _________ to be invoked.
a. stop()
b. aborted()
c. terminate()
d. Abandon()
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Answer
Explanation
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ANSWER: terminate()
Explanation:
No explanation is available for this question!
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14) In CPP, it is mandatory and must to initialize const variables.
a. True
b. False
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Answer
Explanation
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ANSWER: True
Explanation:
No explanation is available for this question!
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15) When a class is defined inside any function or block, it is called ___________ .
a. Nested class
b. Block class
c. Local class
d. It is not possible
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Answer
Explanation
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ANSWER: Local class
Explanation:
No explanation is available for this question!
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16) Which of the followings are false statements about Local class?
1. A local class type name can only be used in the enclosing function
2. All the methods of Local classes must be defined inside the class only
3. A Local class can contain static data members.
4. A Local class may contain static functions.
5. Non-static variables of the enclosing function are not accessible inside local classes.
6. Local classes cannot access global types, variables and functions.
a. Only 1,3
b. Only 3, 6
c. Only 2 , 4 , 6
d. None of these
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Answer
Explanation
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ANSWER: Only 3, 6
Explanation:
No explanation is available for this question!
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17) Due to ios::trunc mode, the file is truncated to zero length.
a. True
b. False
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Answer
Explanation
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ANSWER: True
Explanation:
No explanation is available for this question!
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18) A const object of a class can call non-const member function of the class.
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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19) If an argument to a function is declared as const, then _______ .
a. function can modify the argument.
b. Function can’t modify the argument.
c. const argument to a function is not possible.
d. None of these
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Answer
Explanation
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ANSWER: Function can’t modify the argument.
Explanation:
No explanation is available for this question!
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20) Return type of uncaught_exception() is ________________ .
a. int
b. bool
c. char *
d. double
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Answer
Explanation
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ANSWER: bool
Explanation:
No explanation is available for this question!
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21) Can we write throw clause inside catch handler?
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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22) Default values for a function are specified when ____ .
a. function is defined
b. function is declared
c. Both a and b
d. None of these
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Answer
Explanation
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ANSWER: function is declared
Explanation:
No explanation is available for this question!
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23) Can member functions of one class be friend functions of another class?
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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24) Predict the output:
float x= 3.1496;
cout << setpricision(2) << x;
a. 3.14
b. 3.15
c. 3.00
d. None of these
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Answer
Explanation
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ANSWER: None of these
Explanation:
No explanation is available for this question!
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25) In case of binary operator overloading with member function, which of following statement should be taken into consideration?
a. Right hand operand must be object.
b. Left hand operand must be object.
c. Both the operands must be objects.
d. All of these should be considered.
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Answer
Explanation
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ANSWER: Left hand operand must be object.
Explanation:
No explanation is available for this question!
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