By default, C++ uses the following method of passing arguments
Call-by-Reference
Call-by-Value
Call-by-Pointer
None of the above
Correct Answer :
B. Call-by-Value
Related Questions
The following syntax is valid. void inline gram_ panchayat :: show_gram_ panchayat_info().
True
False
The && and || operators
Compare two numeric values
Combine two numeric values
Compare two Boolean values
Combine two Boolean values
We cannot have the address of a constructor.
True
False
Which of the following relationship is known as inheritancerelationship?
‘has-a’ relationship
‘is-a’ relationship
association relationship
none of the above
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
Which of the following can legitimately be passed to a function?
A constant
A variable
A structure
A header file
In a for loop with a multi-statement loop body, semicolons should appear following
The for statement itself
The closing brace in a multi-statement loop body
Each statement within the loop body.
The test expression
Inline function specifier reduces the overheads associated with a normal function call.
True
False
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
The member of a structure can be directly accessed by
->
dot operator
::
>>
The string table in C++ holds the
string constants in your program
program statements in string form
variables whose type is of string
none of the above
In C++, the exception handler is invoked with a-
try block
throw exception
catch function
abort()
Class is similar to a variable.
True
False
When accessing a structure member, the identifier to the left of the dot operator is the name of
Structure member
Structure tag
Structure variable
The keyword struct.
We can make function inline by using the keyword 'inline'.
True
False
The ?: can be used to replace
if-else statement
wild cards
no meaning in C++
returns the value
Pick out the most appropriate statement from the following
references are pointers
array of references can be created
you can not reference a reference variable
all of the above
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
The signature of a function is
The return type
The number and type of arguments
The class of a function
None of the above
cc ___________ option is used only to create object file
-a
-o
-c
none of these
In C++, identifiers have to be declared at the beginning of the blocks.
True
False
Static data member occurs in only class scope.
True
False
The new operator always returns a void pointer.
True
False
By default, members cannot be inherited.
True
False
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++
The scope resolution operator is -
::
;
<<
->
iostream is inheried from istream, ostream and ios class.
True
False
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
Which of the following are good reasons to use an object oriented language?
You can define your data types
Program statements are simpler than in procedural languages.
An OO program can be taught to correct its own errors.
It's easier to conceptualize an OO program.
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++