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.
float
double
long double
far double
What will be the output of the following code?
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
A number
A special symbol other than underscore
Both of the above
An alphabet
1
-1
0
2
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
scanf()
getch()
getche()
gets()
getchar()
cin.get()
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 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')
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
char
int
real
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
&
&&
||
!
float, double
short int, double, long int
float, double, long double
double, long int, float
<
=
>=
<=
4
8
16
Either True or False
is less than or is more than
is equal or less or more
All of the above
char > int > float
int > char > float
char < int < double
double > char > int
Binary operator
Unary operator
Ternary operator
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
10
20
None
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
Depends on the system
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
-5
+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
What is the output of the following code:
int x = 5;
printf("%d", x++);
5
6
Undefined
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
2 bytes
4 bytes
8 bytes
1 byte
3
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.
*
%
#
2.5
2.000000
2.500000
+
++
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
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
array
int num;
integer num;
num int;
num integer;
Logical Operator
Conditional Operator
typecast
Ternary
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
-4
-2.8
+2.8
+3
signed short
unsigned short
long
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned