Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
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 = 5;printf("%d", a == 5);
0
1
5
Undefined
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
<
=
>=
<=
-1
2
float, double
short int, double, long int
float, double, long double
double, long int, float
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
scanf()
getch()
getche()
gets()
int num;
integer num;
num int;
num integer;
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.
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
*
+
++
&&
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
printf("\n");
echo '\n';
printf('\n');
printf('\\n')
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
-5
+5
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
2.5
2.000000
2.500000
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
signed short
unsigned short
long
int
4
Depends on the system
int a = 10, b = 5;printf("%d", a / b);
0.5
15
What will be the output of the following code?
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
| |
!
All of the above
What is the output of the following code:
int x = 5;
printf("%d", x++);
6
8
16
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
2 bytes
4 bytes
8 bytes
1 byte
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
char
float
double
real
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
-2.8
+2.8
+3
3
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
char > int > float
int > char > float
char < int < double
double > char > int
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
A number
A special symbol other than underscore
Both of the above
An alphabet
Binary operator
Unary operator
Ternary operator
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
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
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.
int x = 5;printf("%d", ++x);
7
10
20
None
long double
far double