float
real
int
double
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
What is the output of the following code:
int x = 5;
printf("%d", x++);
4
5
6
Undefined
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
<
=
>=
<=
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 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
What will be the output of the following code?
int x = 5;printf("%d", ++x);
7
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
2
1
Depends on the system
Either True or False
is less than or is more than
is equal or less or more
All of the above
A number
A special symbol other than underscore
Both of the above
An alphabet
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
What is the output of the following code?
int a = 5;printf("%d", a == 5);
0
char
array
int num;
integer num;
num int;
num integer;
-5
+5
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
-1
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
Decimal
Binary
Octal
Hexadecimal
printf("\n");
echo '\n';
printf('\n');
printf('\\n')
getchar()
gets()
scanf()
cin.get()
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
long double
far double
getch()
getche()
10
20
None
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
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
3
char > int > float
int > char > float
char < int < double
double > char > int
signed short
unsigned short
long
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
2 bytes
4 bytes
8 bytes
1 byte
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
2.5
2.000000
2.500000
int a = 10, b = 5;printf("%d", a / b);
0.5
15
Logical Operator
Conditional Operator
typecast
Ternary
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
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
8
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
&
&&
||
!
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.