The output of the following code is:
void change (char *k)
{
k="Hello";
return;
}
main()
{
char *ch = "World";;
change(ch);
printf("%s", ch);
}
{
k="Hello";
return;
}
main()
{
char *ch = "World";;
change(ch);
printf("%s", ch);
}
Hello
World
Compilation error
Hello World
Correct Answer :
B. World
Related Questions
Which of the following keyword supports dynamic method resolution?
abstract
Virtual
Dynamic
Typeid
emp name' is a valid variable name.
True
False
Which of the following is not true about preprocessor directives
They begin with a hash symbol
They are processed by a preprocessor
They form an integral part of the code
They have to end with a semi colon
What is right way to Initialization array?
int num[6] = { 2, 4, 12, 5, 45, 5 } ;
int n{} = { 2, 4, 12, 5, 45, 5 } ;
int n{6} = { 2< 4< 12 } ;
int n(6) = { 2, 4, 12, 5, 45, 5 } ;
The output of the following code is:
void main()
{
int a = 20;
printf("%d\t%d
", ++a, a);
}
{
int a = 20;
printf("%d\t%d
", ++a, a);
}
21 21
20 21
21 20
20 20
p++ executes faster than p + 1.
True
False
The output of the following code is:
void main()
{
int a;
int &b = a;
a=100;
printf("b=%d\ta=%d
", b,a);
}
{
int a;
int &b = a;
a=100;
printf("b=%d\ta=%d
", b,a);
}
b=100 a=100
b=100 a=0
b=0 a=100
Error
void' is a datatype.
True
False
What is the right way to access value of structure variable book{ price, page }?
printf("%d%d", book.price, book.page);
printf("%d%d", price.book, page.book);
printf("%d%d"< price::book< page::book);
printf("%d%d", price>book, page>book);
The size of signed integer is ------ bytes.
4
2
8
10
The expression "b = 3 ^ 2;" will evaluate b = 9.
True
False
A continue statement causes execution to skip to
the return 0; statement
the first statement after the loop
the statement following the continue statement
the next iteration of the loop
= and = = have the same operation.
True
False
printf() is not a library function.
True
False
The output of the following code is:
main()
{
unsigned int a = 10;
while (a>=10)
{
int a; a-- ;
}
printf("%i", a);
}
{
unsigned int a = 10;
while (a>=10)
{
int a; a-- ;
}
printf("%i", a);
}
Infinite loop
9
0
None
If the class name is X, what is the type of its “this” pointer (in a nonstatic, non-const member function)?
const X* const
X* const
X*
X&
What's wrong? (x = 4 && y = 5) ? (a = 5) ; (b = 6);
the question mark should be an equal sign
the first semicolon should be a colon
there are too many variables in the statement
the conditional operator is only used with apstrings
The output of the following code is:
main()
{
int sub[50];
for(i=0; i<=48;i++)
{
sub[i]=i;
printf("
%d", sub[i]);
}
}
{
int sub[50];
for(i=0; i<=48;i++)
{
sub[i]=i;
printf("
%d", sub[i]);
}
}
0 to 48 will be displayed
48
49
Compilation Error
Which of the following is allowed in a C Arithmetic instruction
[]
{}
()
None of the above
For 16bit compiler allowable range for integer constants is ______ ?
3.4e38 to 3.4e38
32767 to 32768
32768 to 32767
32668 to 32667
Which of the following is not a standard exception built in C++.
std::bad_creat
std::bad_alloc
std::bad_cast
std::bad_typeid
unsigned char has a range from 0 to ------------
253
254
255
256
Which of the following is invalid?
''
" "
'a'
abc'
Left shift operator rotates the bits on the left and places them to the right.
True
False
static variable will not always have assigned value.
True
False
Identify the wrong statement
putchar(65)
putchar('x')
putchar("x")
putchar('
')
When a user defined function is defined in program, then it has to be called at least once from the main().
True
False
A recursive function calls itself again and again.
True
False
Which of the following is not a preprocessor directive
#if
#elseif
#undef
#pragma
Each pass through a loop is called a/an
enumeration
iteration
culmination
pass through