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.
Binary operator
Unary operator
Ternary operator
All of the above
Logical Operator
Conditional Operator
typecast
Ternary
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
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.
2.5
2
2.000000
2.500000
What will be the output of the following code?
int main(){int x,y,z;x='1'-'0'; /* line-1 */y='a'-'b'; /* line-2 */z=x+y;printf("%d",z);}
0
Error because of incorrect line-1 only.
Error because of incorrect line-1 and line-2.
Error because of incorrect line-2 only.
What is the output of the following code?
int a = 10, b = 5;printf("%d", a / b);
5
0.5
15
-5
1
+5
*
+
++
&&
A number
A special symbol other than underscore
Both of the above
An alphabet
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
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
4
Depends on the system
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
&
%
#
printf("\n");
echo '\n';
printf('\n');
printf('\\n')
| |
!
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
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
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.
float
double
long double
far double
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
10
20
None
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
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
float, double
short int, double, long int
float, double, long double
double, long int, float
2 bytes
4 bytes
8 bytes
1 byte
int num;
integer num;
num int;
num integer;
signed short
unsigned short
long
int
What is the output of the following code:
int x = 5;
printf("%d", x++);
6
Undefined
-1
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
<
=
>=
<=
8
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
-4
-2.8
+2.8
+3
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
char
array
Either True or False
is less than or is more than
is equal or less or more
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
16
||
Decimal
Binary
Octal
Hexadecimal
print()
scanf()
input()
real
char > int > float
int > char > float
char < int < double
double > char > int
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
int x = 5;printf("%d", ++x);
7