2.5
2
2.000000
2.500000
10
20
0
None
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
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.
getchar()
gets()
scanf()
cin.get()
4
1
Depends on the system
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
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
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 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
float
real
int
double
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
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
&
&&
||
!
float, double
short int, double, long int
float, double, long double
double, long int, float
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
8
A number
A special symbol other than underscore
Both of the above
An alphabet
int a = 5;printf("%d", a == 5);
5
Undefined
signed short
unsigned short
long
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
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()
All of the above
16
char
array
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
*
%
#
Logical Operator
Conditional Operator
typecast
Ternary
int num;
integer num;
num int;
num integer;
-4
-2.8
+2.8
+3
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
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
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.
int a = 10, b = 5;printf("%d", a / b);
0.5
15
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
Binary operator
Unary operator
Ternary operator
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 is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
What is the output of the following code:
int x = 5;
printf("%d", x++);
6
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.
-5
+5
getch()
getche()
+
++
int x = 5;printf("%d", ++x);
7
printf("\n");
echo '\n';
printf('\n');
printf('\\n')