The getch() library function
Returns a character when any key is pressed
Returns a character when ENTER is pressed
Display a character on the screen when a key is pressed
Does not display a character on the screen
Correct Answer :
A. Returns a character when any key is pressed
Related Questions
Sharing of common information are achieved by the concept of
Virtual copying
Inheritance
Encapsulation
None of these
Element double Array[7] is which element of the array?
sixth
seventh
eighth
impossible to tell
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
Constructor returns void type value.
True
False
In C++, the stream base class is
iostream
iofstream
ios
stdio
In case of nested class, enclosing class can directly access the private data member of nested class.
True
False
The && and || operators
Compare two numeric values
Combine two numeric values
Compare two Boolean values
Combine two Boolean values
The new operator always returns a void pointer.
True
False
If a friend function is declared inside a class it can access all data members of the class.
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
Objects get destroyed in the reverse order as they are created.
True
False
The following syntax is valid. void inline gram_ panchayat :: show_gram_ panchayat_info().
True
False
By default, C++ uses the following method of passing arguments
Call-by-Reference
Call-by-Value
Call-by-Pointer
None of the above
In C++, the exception handler is invoked with a-
try block
throw exception
catch function
abort()
When one object initializes another object the following function is invoked
copy constructor
new
instantiation
none of the above
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
We cannot have the address of a constructor.
True
False
A destructor can have arguments like constructor.
True
False
The exception is processed using
unexpected()
perform()
catch()
try()
Class is similar to a variable.
True
False
The binding that binds a function call at run time is called
early binding
run time binding
late binding
linking
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
Class members are _______________ by default
Private
protected
public
None of the above are correct
An object is an allocated space in memory.
True
False
Protected 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
==
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
Static data member can be declared as const too.
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