Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
2 bytes
4 bytes
8 bytes
1 byte
<
=
>=
<=
1
-1
0
2
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
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
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
-5
+5
&
&&
||
!
float, double
short int, double, long int
float, double, long double
double, long int, float
What is the output of the following code:
int x = 5;
printf("%d", x++);
4
5
6
Undefined
float
double
long double
far double
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.
Binary operator
Unary operator
Ternary operator
All of the above
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
| |
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 is the output of the following code?
int a = 10, b = 5;printf("%d", a / b);
0.5
15
int x = 5;printf("%d", ++x);
7
3
Either True or False
is less than or is more than
is equal or less or more
10
20
None
Logical Operator
Conditional Operator
typecast
Ternary
*
+
++
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
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
char > int > float
int > char > float
char < int < double
double > char > int
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
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
char
int
8
16
int a = 5;printf("%d", a == 5);
A number
A special symbol other than underscore
Both of the above
An alphabet
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
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.
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
-2.8
+2.8
+3
Decimal
Binary
Octal
Hexadecimal
2.5
2.000000
2.500000
real
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
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
getchar()
gets()
scanf()
cin.get()
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
print()
input()