printf("\n");
echo '\n';
printf('\n');
printf('\\n')
Both can occur multiple times, but a declaration must occur first.
A definition occurs once, but a declaration may occur many times.
Both can occur multiple times, but a definition must occur first.
A declaration occurs once, but a definition may occur many times.
What will be output if you compile and execute the following ‘C’ code?
void main(){int i=4,x;x=++i + ++i + ++i;printf("%d",x);}
21
18
19
Compilation error
*
&
%
#
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
What will be the output of the following code segment?
int x = 24, y = 39, z = 45;z = x + y;y = z - y;x = z - y;printf("\n%d %d %d", x, y, z);
24 39 63
39 24 63
24 39 45
39 24 45
What is the output of the following code:
int x = 5;
printf("%d", x++);
4
5
6
Undefined
-4
-2.8
+2.8
+3
Logical Operator
Conditional Operator
typecast
Ternary
2
1
Depends on the system
Binary operator
Unary operator
Ternary operator
All of the above
float, double
short int, double, long int
float, double, long double
double, long int, float
What is the output of the following code?
main(){ int a, b; a=b=4; b=a++; printf("%d %d %d %d", a++, --b, ++a, b--);}
5 3 7 3
Syntax error
5 4 5 3
6 2 6 4
3
A number
A special symbol other than underscore
Both of the above
An alphabet
int num;
integer num;
num int;
num integer;
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
-1
0
<
=
>=
<=
it Compare the variable a and the variable b are same.
The value of b is assigned to variable a but if b changes later, it will not effect the value of variable a.
The value of b is assigned to variable a but if b changes later, it will effect the value of variable a.
The value of variable a is assigned to variable b, and the value of variable b is assigned to variable a.
10
20
None
To determine which operator evaluated first from left to right.
To determine the level of an operator in a program.
To determine how an expression involving more than one operator is evaluated.
To check the expression is valid or not.
scanf()
getch()
getche()
gets()
Find the output of following code :
int main() { int i=-2; printf (“-i=%d”,-i); return b; }
–i=2
i=-2
–i=-2
–i=+2
double
float
char
array
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
What will be the output of the following code?
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
When the following piece of code is executed, what happens?
b = 3;a = b++;
a contains 3 and b contains 4
a contains 4 and b contains 4
a contains 4 and b contains 3
a contains 3 and b contains 3
8
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
+
++
&&
long double
far double
getchar()
cin.get()
||
!
real
int
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
print()
input()
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
int x = 5;printf("%d", ++x);
7
signed short
unsigned short
long
It returns the size of the variable in bits
It returns the size of the variable in bytes
It returns the size of the variable in kilobytes
It returns the number of elements in an array
-5
+5
Decimal
Binary
Octal
Hexadecimal
What will be output if you will compile and execute the following c code?
int main(){ int a=5; float b; printf("%d",sizeof(++a+b)); printf(" %d",a); return 0;}
2 6
4 6
2 5
4 5
2.5
2.000000
2.500000
int a = 10, b = 5;printf("%d", a / b);
0.5
15
Either True or False
is less than or is more than
is equal or less or more