int my_num = 100,000;
int my_num = 100000;
int my num = 1000;
int $my_num = 10000;
no of students
char
7th
myName
LowerCase letters
UpperCase letters
CamelCase letters
None of these
*
+
++
&&
double
float
array
What is the output of the following code?
int a = 10, b = 5;printf("%d", a / b);
5
2
0.5
15
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
1
4
8
30
32
36
40
scanf()
getch()
getche()
gets()
They can contain alphanumeric characters as well as special characters
It is not an error to declare a variable to be one of the keywords(like goto, static)
Variable names cannot start with a digit
Variable can be of any length
int
include
int a = 5;printf("%d", a == 5);
0
Undefined
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
Id_No
ID_NO
IdNo
Id No
| |
!
All of the above
Depends on the system
infomax
info_max
info max
All of these
getchar()
cin.get()
“programming Trick”
“programming"
‘programming'
$ programming $
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
real
System programming language
General purpose language
Data processing language
None of the above
results in a syntax error
output Infomax7
outputs garbage
outputs infomax and terminates abruptly
float, double
short int, double, long int
float, double, long double
double, long int, float
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
2.5
2.000000
2.500000
start()
printf()
main()
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.
C compiler supports octal integer constant.
C compiler supports hexadecimal integer constant.
C compiler supports binary integer constant.
C compiler supports decimal integer constant.
AT & Ts Bell Laboratories of USA in 1972
AT & Ts Bell Laboratories of USA in 1970
Sun Microsystems in 1973
Cambridge University in 1972
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.
-3.4e38 to 3.4e38
-32767 to 32768
-32668 to 32667
-32768 to 32767
-1
10
20
None
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.
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
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
immutable
mutable
const
volatile
printf("\n");
echo '\n';
printf('\n');
printf('\\n')
put together the file and functions that are required by the program
translate the instructions into a form suitable for execution by the program
load the executable code into the memory and execute them
allow the user to type the program
3
<
=
>=
<=
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.
-4
-2.8
+2.8
+3
int num;
integer num;
num int;
num integer;
16
//
/
#
/*
float_int, keyword, A1
ANSI, ascii, cpu
valid, variable, name
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a