10
20
0
None
int num;
integer num;
num int;
num integer;
<
=
>=
<=
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
char > int > float
int > char > float
char < int < double
double > char > int
scanf()
getch()
getche()
gets()
2.5
2
2.000000
2.500000
4
1
Depends on the system
signed short
unsigned short
long
int
Decimal
Binary
Octal
Hexadecimal
float
real
double
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
&
&&
||
!
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
float, double
short int, double, long int
float, double, long double
double, long int, float
print()
input()
All of the above
What is the output of the following code?
int a = 5;printf("%d", a == 5);
5
Undefined
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
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.
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
8
16
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
getchar()
cin.get()
Logical Operator
Conditional Operator
typecast
Ternary
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
int a = 10, b = 5;printf("%d", a / b);
0.5
15
-1
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 the output of the following code?
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
3
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
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
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
-5
+5
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.
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
char
array
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
*
+
++
Binary operator
Unary operator
Ternary operator
int x = 5;printf("%d", ++x);
6
7
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
| |
A number
A special symbol other than underscore
Both of the above
An alphabet
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