4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
<
=
>=
<=
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
*
+
++
&&
float, double
short int, double, long int
float, double, long double
double, long int, float
&
||
!
What is the output of the following code?
int a = 10, b = 5;printf("%d", a / b);
5
2
0.5
15
1
-1
0
Logical Operator
Conditional Operator
typecast
Ternary
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
double
float
char
array
real
int
Decimal
Binary
Octal
Hexadecimal
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.
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
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
print()
scanf()
input()
All of the above
-4
-2.8
+2.8
+3
What will be the output of the following code?
int x = 5;printf("%d", ++x);
4
6
7
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
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
2.5
2.000000
2.500000
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
Depends on the system
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.
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
Binary operator
Unary operator
Ternary operator
What is the output of the following code:
int x = 5;
printf("%d", x++);
Undefined
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
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
long double
far double
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
What will be the output of the following program?
int main() { int x=5; printf(“%d %d %d”,x,x<<2,x>>2); }
1 20 5
5 1 20
5 20 1
20 1 5
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
A number
A special symbol other than underscore
Both of the above
An alphabet
10
20
None
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
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
printf("\n");
echo '\n';
printf('\n');
printf('\\n')
getch()
getche()
gets()
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
%
#
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
int main(){int x,y,z;x='1'-'0'; /* line-1 */y='a'-'b'; /* line-2 */z=x+y;printf("%d",z);}
Error because of incorrect line-1 only.
Error because of incorrect line-1 and line-2.
Error because of incorrect line-2 only.
| |
int a = 5;printf("%d", a == 5);
8
16