The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
What will be the output of the following code?
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
double
float
char
array
int x = 5;printf("%d", ++x);
4
5
6
7
printf("\n");
echo '\n';
printf('\n');
printf('\\n')
1
2
3
A number
A special symbol other than underscore
Both of the above
An alphabet
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
&&
| |
!
All of the above
What is the output of the following code:
int x = 5;
printf("%d", x++);
Undefined
-1
0
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
Decimal
Binary
Octal
Hexadecimal
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
Depends on the system
*
&
%
#
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
-5
+5
+
++
10
20
None
8
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.
real
int
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
16
||
<
=
>=
<=
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
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
int a = 5;printf("%d", a == 5);
int num;
integer num;
num int;
num integer;
getchar()
gets()
scanf()
cin.get()
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
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.
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.
char > int > float
int > char > float
char < int < double
double > char > int
Logical Operator
Conditional Operator
typecast
Ternary
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.
getch()
getche()
Binary operator
Unary operator
Ternary operator
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
-4
-2.8
+2.8
+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
int a = 10, b = 5;printf("%d", a / b);
0.5
15
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these