Spaces
Digits
Underscores
Letters
int num;
integer num;
num int;
num integer;
Assignment Relational Arithmetic
Arithmetic Relational Assignment
Relational Arithmetic Assignment
Assignment Arithmetic Relational
compare two numeric values
combine two numeric values
compare two boolean values
None of the above
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.
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.
auto
case
main
default
scanf()
getch()
getche()
gets()
-5
1
0
+5
*
+
++
&&
<
=
>=
<=
4 Bytes
8 Bytes
Depends on the system/compiler
Cannot be determined
2
4
Depends on the system
| |
!
All of the above
float, double
short int, double, long int
float, double, long double
double, long int, float
print("Hello World");
echo("Hello World");
printf("Hello World");
None of these
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 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
Constants
Keywords
Operators
Tokens
final
constant
const
static
signed short
unsigned short
long
int
Binary operator
Unary operator
Ternary operator
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
Martin Richards
Dennis Ritchie
Ken Thompson
Herman Hellorith
* / % + - =
= * / % + -
/ * % - + =
* % / - + =
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
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.
getchar()
cin.get()
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
-2.8
+2.8
+3
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
Compiler
Interpreter
Assembler
None of These
N=m=0
Value+=10
mySize=x<y?9:11
Value=+=10
main function arguments
main arguments
Command-Line arguments
Parameterized arguments
link, load, code, compile and execute
code, compile, link, execute and load
code, compile, link, load and execute
compile, code, link, load and execute
8
16
What is the output of the following code:
int x = 5;
printf("%d", x++);
5
6
Undefined
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.
Keywords can be used as variable names
Variable names can contain digits
Variable names do not contain blank spaces
Capital letters can be used in variable names.
world
addition23
test-name
factorial
An Editor
A compiler
An operating system
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
no of students
char
7th
myName
They execute programs faster than compilers
They translate the entire program at once
They translate and execute code line by line
They are not used in modern programming
&
%
#
Decimal
Binary
Octal
Hexadecimal
char > int > float
int > char > float
char < int < double
double > char > int
start()
printf()
main()
What is the output of this statement
printf("%d", (a++));
The value of (a + 1)
Error message
Garbage
The current value of a