A number
A special symbol other than underscore
Both of the above
An alphabet
float, double
short int, double, long int
float, double, long double
double, long int, float
double
float
char
array
*
&
%
#
2.5
2
2.000000
2.500000
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 is the output of the following code?
int a = 10, b = 5;printf("%d", a / b);
5
0.5
15
-4
-2.8
+2.8
+3
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
Binary operator
Unary operator
Ternary operator
All of the above
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
real
int
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
4
1
Depends on the system
getchar()
gets()
scanf()
cin.get()
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
3
&&
| |
!
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
6
Undefined
print()
input()
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
+
++
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
Logical Operator
Conditional Operator
typecast
Ternary
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
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
What is the output of the following code:
int x = 5;
printf("%d", x++);
What will be the output of the following code?
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
8
16
signed short
unsigned short
long
getch()
getche()
char > int > float
int > char > float
char < int < double
double > char > int
<
=
>=
<=
10
20
0
None
2 bytes
4 bytes
8 bytes
1 byte
-1
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
int x = 5;printf("%d", ++x);
7
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
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.
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
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
-5
+5
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
int a = 5;printf("%d", a == 5);