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
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
Logical Operator
Conditional Operator
typecast
Ternary
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.
signed short
unsigned short
long
int
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
scanf()
getch()
getche()
gets()
Decimal
Binary
Octal
Hexadecimal
print()
input()
All of the above
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
float, double
short int, double, long int
float, double, long double
double, long int, float
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
&
&&
||
!
What is the output of the following code:
int x = 5;
printf("%d", x++);
4
5
6
Undefined
getchar()
cin.get()
2
1
Depends on the system
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
<
=
>=
<=
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.
2.5
2.000000
2.500000
-4
-2.8
+2.8
+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
float
real
double
What will be the output of the following code?
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
Either True or False
is less than or is more than
is equal or less or more
char
int num;
integer num;
num int;
num integer;
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
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
int a = 10, b = 5;printf("%d", a / b);
0.5
15
10
20
0
None
*
+
++
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
8
16
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
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
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
int x = 5;printf("%d", ++x);
7
| |
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.
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
%
#
long double
far double
printf("\n");
echo '\n';
printf('\n');
printf('\\n')