Binary operator
Unary operator
Ternary operator
All of the above
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
Either True or False
is less than or is more than
is equal or less or more
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
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);
5
2
0.5
15
-4
-2.8
+2.8
+3
<
=
>=
<=
4
6
Undefined
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
signed short
unsigned short
long
int
1
Depends on the system
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
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
-5
0
+5
8
16
A number
A special symbol other than underscore
Both of the above
An alphabet
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
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
float
double
long double
far double
int num;
integer num;
num int;
num integer;
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
char > int > float
int > char > float
char < int < double
double > char > int
3
int a = 5;printf("%d", a == 5);
real
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);}
Error because of incorrect line-1 only.
Error because of incorrect line-1 and line-2.
Error because of incorrect line-2 only.
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
What is the output of the following code:
int x = 5;
printf("%d", x++);
int x = 5;printf("%d", ++x);
7
Logical Operator
Conditional Operator
typecast
Ternary
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
Decimal
Binary
Octal
Hexadecimal
getchar()
gets()
scanf()
cin.get()
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
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
2.5
2.000000
2.500000
char
array
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.
-1
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
getch()
getche()
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
*
+
++
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error