In C++, the keyword auto can be used for
Automatic assignment of data to object during instantiation
Automatic call of a function
To declare a local variable
It is not a keyword in C++
Correct Answer :
C. To declare a local variable
Related Questions
The library function exit() causes an exit from
The loop in which it occurs
The block in which it occurs
The function in which it occurs
The program in which it occurs
A variable defined within a block is visible
From the point of definition onwards in the program
From the point of definition onwards in the function
From the point of definition onwards in the block
Throughout the function
We cannot have the address of a constructor.
True
False
A direct access file is:
A file in which recoreds are arranged in a way they are inserted in a file
A file in which records are arranged in a particular order
Files which are stored on a direct access storage medium
None of the above
What is the output of the following program segment - for(i = 1, j = 0; i < 10; i++) j += i; cout <<i<<"
";
10
20
55
there is an error in the program
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
One of the major disadvantage with late binding is
the source code should be made available at compile time
the program runs slower
dynamic variables can not be used in the program
static variables can not be used
The binding that binds a function call at run time is called
early binding
run time binding
late binding
linking
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
Static data member can be declared as const too.
True
False
The signature of a function is
The return type
The number and type of arguments
The class of a function
None of the above
Public data members can be accessed
Only from the base class itself
Both form the base class and from its derived classes
From the class which is friend of the base class
None of the above are correct
Dynamic memory can be allocated by the following declaration
new
volatile
static
==
An object is an allocated space in memory.
True
False
cc ___________ option is used only to create object file
-a
-o
-c
none of these
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
In a class, only the member function can access data, which is not accessible to outside. This feature is called:
Data security
Data hiding
Data manipulation
Data definition
We can make function inline by using the keyword 'inline'.
True
False
By using protected, one can create class members that are private to their class but
that can not be inherited and accessed by a derived class
that can still be inherited and accessed by a derived class
that can be public
none of the above
A function that is called automatically when an object is created is known as
instantiation
function prototype
constructor
structure
this' is an implicit pointer.
True
False
When you overload an arithmetic assignment operator, the result
Goes in the object to the right of the operator
Goes in the object to the left of the operator
Goes in the object of which the operator is a member
Must be returned
The value of 'this' pointer can be changed.
True
False
Data objects can be initialized when allocating memory using 'new'.
True
False
A constructor cannot be explicitly called.
True
False
Which of the following is true about const member functions?
const members can be invoked on both const as well as nonconst objects
const members can be invoked only on const objects and not on nonconst objects
nonconst members can be invoked on const objects as well as nonconst objects
none of the above
A destructor can have arguments like constructor.
True
False
Which of the following relationship is known as inheritancerelationship?
‘has-a’ relationship
‘is-a’ relationship
association relationship
none of the above
The characteristic that data can be manipulated only through member functions that are part of the class is called
Encapsulation
Data dependency
Inheritance
Instantiation
A copy constructor is used to copy an object member wise to another object of the same class.
True
False