What is the output of the following code?
int a = 10, b = 5;printf("%d", a / b);
5
2
0.5
15
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
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
1
-1
0
double
float
char
array
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
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
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
signed short
unsigned short
long
int
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
int num;
integer num;
num int;
num integer;
What will be the output of the following code?
int x = 5;printf("%d", ++x);
4
6
7
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
Depends on the system
Undefined
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
8
-4
-2.8
+2.8
+3
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
10
20
None
int a = 5;printf("%d", a == 5);
char > int > float
int > char > float
char < int < double
double > char > int
<
=
>=
<=
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
&&
| |
!
All of the above
Either True or False
is less than or is more than
is equal or less or more
getchar()
gets()
scanf()
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.
-5
+5
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
Decimal
Binary
Octal
Hexadecimal
3
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 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
16
print()
input()
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
*
%
#
long double
far double
+
++
printf("\n");
echo '\n';
printf('\n');
printf('\\n')
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
2.5
2.000000
2.500000
Binary operator
Unary operator
Ternary operator
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