Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
&
&&
||
!
What is the output of the following code:
int x = 5;
printf("%d", x++);
4
5
6
Undefined
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
Decimal
Binary
Octal
Hexadecimal
1
2
8
printf("\n");
echo '\n';
printf('\n');
printf('\\n')
-1
0
double
float
char
array
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
*
%
#
What is the output of the following code?
int a = 10, b = 5;printf("%d", a / b);
0.5
15
-4
-2.8
+2.8
+3
-5
+5
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 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
2.5
2.000000
2.500000
<
=
>=
<=
int num;
integer num;
num int;
num integer;
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
Binary operator
Unary operator
Ternary operator
All of the above
16
char > int > float
int > char > float
char < int < double
double > char > int
scanf()
getch()
getche()
gets()
+
++
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
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.
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
float, double
short int, double, long int
float, double, long double
double, long int, float
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
Depends on the system
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.
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.
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
2 bytes
4 bytes
8 bytes
1 byte
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 = 5;printf("%d", a == 5);
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
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
10
20
None
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
Logical Operator
Conditional Operator
typecast
Ternary
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
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