scanf()
getch()
getche()
gets()
A number
A special symbol other than underscore
Both of the above
An alphabet
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
1
2
3
4
double
float
char
array
real
int
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
&
&&
||
!
What is the output of the following code?
int a = 10, b = 5;printf("%d", a / b);
5
0.5
15
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a
-1
0
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
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
Binary operator
Unary operator
Ternary operator
All of the above
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 my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
Depends on the system
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
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
-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.
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
What will be the output of the following code?
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 a = 5;printf("%d", a == 5);
Undefined
| |
signed short
unsigned short
long
Either True or False
is less than or is more than
is equal or less or more
10
20
None
Decimal
Binary
Octal
Hexadecimal
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.
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
-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
8
2.5
2.000000
2.500000
float, double
short int, double, long int
float, double, long double
double, long int, float
6
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
int x = 5;printf("%d", ++x);
7
long double
far double
The basic data type of C
Qualifier
Short is the qualifier and int is the basic data type
All of the mentioned
getchar()
cin.get()
What is the output of the following code:
int x = 5;
printf("%d", x++);
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
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.