1
2
3
4
char > int > float
int > char > float
char < int < double
double > char > int
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
scanf()
getch()
getche()
gets()
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 the following code:
int x = 5;
printf("%d", x++);
5
6
Undefined
print()
input()
All of the above
Binary operator
Unary operator
Ternary operator
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
float, double
short int, double, long int
float, double, long double
double, long int, float
-5
0
+5
getchar()
cin.get()
<
=
>=
<=
Either True or False
is less than or is more than
is equal or less or more
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
A number
A special symbol other than underscore
Both of the above
An alphabet
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
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
int num;
integer num;
num int;
num integer;
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
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
Depends on the system
double
float
char
array
&
&&
||
!
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
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
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
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.
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.
Logical Operator
Conditional Operator
typecast
Ternary
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.
2 bytes
4 bytes
8 bytes
1 byte
*
+
++
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
int a = 10, b = 5;printf("%d", a / b);
0.5
15
signed short
unsigned short
long
int
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
8
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
Decimal
Binary
Octal
Hexadecimal
int x = 5;printf("%d", ++x);
7
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
int a = 5;printf("%d", a == 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
compare two numeric values
combine two numeric values
compare two boolean values
None of the above