getchar()
gets()
scanf()
cin.get()
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
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
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?
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
&
&&
||
!
2 bytes
4 bytes
8 bytes
1 byte
float
real
int
double
| |
All of the above
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.
2
4
1
Depends on the system
Addition, Division, Modulus
Addition, Modulus, Division
Multiplication, Substration, Modulus
Modulus, Multiplication, Substration
8
16
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
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
float, double
short int, double, long int
float, double, long double
double, long int, float
10
20
0
None
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 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
int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
*
+
++
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.
Binary operator
Unary operator
Ternary operator
int num;
integer num;
num int;
num integer;
long double
far double
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
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.
char
array
signed short
unsigned short
long
What is the output of the following code:
int x = 5;
printf("%d", x++);
5
6
Undefined
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
Either True or False
is less than or is more than
is equal or less or more
getch()
getche()
char > int > float
int > char > float
char < int < double
double > char > int
int a = 10, b = 20;printf("%d", a + b);
30
1020
10+20
Compiler error
int a = 5;printf("%d", a == 5);
int a = 10, b = 5;printf("%d", a / b);
0.5
15
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
-5
+5
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
2.5
2.000000
2.500000
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
int x = 5;printf("%d", ++x);
7
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