double
float
char
array
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
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
signed short
unsigned short
long
int
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
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
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.
-4
-2.8
+2.8
+3
*
+
++
&&
getchar()
gets()
scanf()
cin.get()
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
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?
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
4
8
16
1
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
Binary operator
Unary operator
Ternary operator
All of the above
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
getch()
getche()
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
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.
Logical Operator
Conditional Operator
typecast
Ternary
print()
input()
What is the output of the following code:
int x = 5;
printf("%d", x++);
5
6
Undefined
<
=
>=
<=
2.5
2
2.000000
2.500000
int a = 5;printf("%d", a == 5);
0
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
long double
far double
Depends on the system
What will be the output of the following code?
int x = 5;printf("%d", ++x);
7
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
-5
+5
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
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
| |
!
char > int > float
int > char > float
char < int < double
double > char > int
3
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
10
20
None
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
&
||
real
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
int num;
integer num;
num int;
num integer;
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
%
#
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.