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.
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
getchar()
gets()
scanf()
cin.get()
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
1
-1
0
2
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
print()
input()
All of the above
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
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
printf("\n");
echo '\n';
printf('\n');
printf('\\n')
Binary operator
Unary operator
Ternary operator
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.
Decimal
Binary
Octal
Hexadecimal
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
<
=
>=
<=
4
8
3
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
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
10
20
None
&&
| |
!
getch()
getche()
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
Either True or False
is less than or is more than
is equal or less or more
What will be the output of the following code?
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
5
6
Undefined
What is the output of the following code:
int x = 5;
printf("%d", x++);
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
short int, double, long int
float, double, long double
double, long int, float
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
int a = 5;printf("%d", a == 5);
*
+
++
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
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
double
float
char
array
real
int
int a = 10, b = 5;printf("%d", a / b);
0.5
15
2 bytes
4 bytes
8 bytes
1 byte
Depends on the system
&
%
#
int num;
integer num;
num int;
num integer;
long double
far double
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
Logical Operator
Conditional Operator
typecast
Ternary
-5
+5
2.5
2.000000
2.500000
16
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational