1
2
4
8
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
10
20
0
None
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
float
double
long double
far double
2.5
2.000000
2.500000
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
getchar()
gets()
scanf()
cin.get()
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 = 5;printf("%d", a == 5);
5
Undefined
2 bytes
4 bytes
8 bytes
1 byte
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
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
<
=
>=
<=
Depends on the system
16
getch()
getche()
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
float, double
short int, double, long int
float, double, long double
double, long int, float
-4
-2.8
+2.8
+3
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
real
int
char > int > float
int > char > float
char < int < double
double > char > int
Binary operator
Unary operator
Ternary operator
All of the above
&
&&
||
!
*
%
#
signed short
unsigned short
long
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
int num;
integer num;
num int;
num integer;
Either True or False
is less than or is more than
is equal or less or more
-1
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
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.
3
Logical Operator
Conditional Operator
typecast
Ternary
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.
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 my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
printf("\n");
echo '\n';
printf('\n');
printf('\\n')
Decimal
Binary
Octal
Hexadecimal
-5
+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
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.
int x = 5;printf("%d", ++x);
6
7
print()
input()
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
char
array