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