No commas or blanks are allowed within an integer or a real constant.
True
False
Correct Answer :
A. True
Related Questions
printf() is not a library function.
True
False
p++ executes faster than p + 1.
True
False
The output of the following code is:
main()
{
int a = 5, b = 6;
(a == b? printf("%d", a));
}
{
int a = 5, b = 6;
(a == b? printf("%d", a));
}
0
5
Error
None of the above
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&
The output of the following code is:
#define sqr(x= x*x)
main()
{
int a = 10, b = 5;
printf("%d, %d", sqr(a+b),sqr(++a));
}
main()
{
int a = 10, b = 5;
printf("%d, %d", sqr(a+b),sqr(++a));
}
77, 121
225, 121
77< 144
Compilation error
The identifier argv[] is a pointer to an array of strings.
True
False
The array 'char name[10] can consist of a maximum of 9 characters.
True
False
Bitwise operators can operate upon?
double and chars
floats and doubles
ints and floats
ints and chars
The same variable names of automatic type can be used in different functions without any conflict.
True
False
What would be the output of the following program?
int x=40;
main(){
int x=20;
printf("
%d",x);
}
main(){
int x=20;
printf("
%d",x);
}
40
20
Compilation Error
Garbeg Value
If 'str' is a string of 7 characters, the statement printf("%4s", str); will display ------characters.
4
7
6
0
fopen() function returns a pointer to the open file.
True
False
void' is a datatype.
True
False
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
The output of the following code is:
void main()
{
int z, a = 5, b = 3; z = a * 2 + 26 % 3;
printf("%d", z); }
{
int z, a = 5, b = 3; z = a * 2 + 26 % 3;
printf("%d", z); }
10
0
12
None of the above
struct stud
{
int roll;
char name[20];
float marks;
} *p;
What will be the byte size of p?
24
2
26
None
gets() and puts() are unformatted I/O functions.
True
False
Which of the following is not recommended in a header file?
Type definitions (typedefs)
Class definitions
Function definitions
Template definitions
# define PI = 8;' is the correct declaration of macros.
True
False
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
The output of the following code is:
int f(int a, int b);
void main()
{
int a = 12, b=154;
printf("%d", f(a, b));
}
int f(int a, int b)
{
if (a<b) return(f(b, a));
if(b==0) return(a);
return (f(b, a % b));
}
void main()
{
int a = 12, b=154;
printf("%d", f(a, b));
}
int f(int a, int b)
{
if (a<b) return(f(b, a));
if(b==0) return(a);
return (f(b, a % b));
}
2
1
Compilation error
Runtime error
Structures within structures cannot be created.
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
Operation between an integer and float always yields a float result.
True
False
C programming language was developed by
Dennis Ritchie
Ken Thompson
Bill Gates
Peter Norton
Which classes allow primitive types to be accessed as objects?
Storage
Virtual
Friend
Wrapper
Which among the following is a unconditional control structure
do-while
if-else
goto
for
When a user defined function is defined in program, then it has to be called at least once from the main().
True
False
Variables declared as register storage type gets stored in CPU registers.
True
False
perror( ) function used to ?
Work same as printf()
prints the error message specified by the compiler
prints the garbage value assigned by the compiler
None of the above