Pick out the most appropriate statement
All variables must be declared before they are used
Variables in C++ need not be declared and the type can be assigned dynamically
Variables in C++ can be declared at the end of the program (before the main function terminates)
Variables can not be used explicitly in C++
Correct Answer :
A. All variables must be declared before they are used
Related Questions
Static data member can be declared as const too.
True
False
Overloaded functions
Are a group of functions with the same name
All have the same number and types of arguments
Make life simpler for programmer
May fail unexpectedly due to stress
Organizing data with methods that operate on the data and creating a new data type is called encapsulation.
True
False
_____________ operator must have one class object
+
new
all
None of these
Inline functions_____________ call overload.
Increase
Reduce
None of the above are correct
In C++, the exception handler is invoked with a-
try block
throw exception
catch function
abort()
Which of the following can legitimately be passed to a function?
A constant
A variable
A structure
A header file
The following syntax is valid. void inline gram_ panchayat :: show_gram_ panchayat_info().
True
False
The binding that binds a function call at run time is called
early binding
run time binding
late binding
linking
We can make function inline by using the keyword 'inline'.
True
False
A base class is inherited by
derived class
inline function
constructor
none of the above
Private data members can be accessed
Only from the base class itself
Both from the base class and form its derived classes
From the class which is a friend of the base class
None of the above is correct
new operator is used
To dynamically allocate storage
To statically allocate storage
To allocate storage for a new variable
None of the above are correct
Member function cannot be called from within a constructor.
True
False
:: is known as
scope resolution operator
global operator
Both (a) & (b)
None of these
A pure virtual function is a virtual function that has
no definition in its base class
a definition in its base class
a definition in at least one derived class
definition in base class and at least one derived class
In C++, identifiers have to be declared at the beginning of the blocks.
True
False
A member function can always access the data
In the object of which it is a member
In the class of which it is a member
In the object of the class of which it is a member
In the public part of its class
this' pointer has to be used while accessing data members in a member function.
True
False
It is possible to allow non member function access to private members of a class by declaring it as
public
friend
private
not possible
The members of a class can be made private by
declaring them private
by default they are private
by declaring them in the beginning of the program immediately after main()
they are always public
In C++, an identifier must be initialized using constant expression.
True
False
Protected members cannot be inherited.
True
False
You can read input that consists of multiple lines of text using
The normal cout<< combination
The cin.get() function with one argument
The cin.get() function with two argument
The cin.get() function with three argument
ios containes a pointer to streambuf.
True
False
One of the important features of an abstract class is
it need not have any object
it should be used only as a derived class
it need not have any members
none of the above
Which of the following is not a component of file system
Access method
Auxiliary storage management
Free integrity mechanism
None of the above
iostream is inheried from istream, ostream and ios class.
True
False
Pick out the most appropriate statement
All variables must be declared before they are used
Variables in C++ need not be declared and the type can be assigned dynamically
Variables in C++ can be declared at the end of the program (before the main function terminates)
Variables can not be used explicitly in C++
Friend function have access to the
private and protected members
public members only
private members only
None of the above are correct