What is Keywords?
Keywords have some predefine meanings and these meanings can be changed.
Keywords have some unknown meanings and these meanings cannot be changed.
Keywords have some predefine meanings and these meanings cannot be changed.
None of the above
Correct Answer :
C. Keywords have some predefine meanings and these meanings cannot be changed.
Related Questions
C programs are converted into machine language with the help of
An Editor
A compiler
An operating system
None of the above
The main() function can be called from any other function.
True
False
What is the right way to access value of structure variable book{ price, page }?
printf("%d%d", book.price, book.page);
printf("%d%d", price.book, page.book);
printf("%d%d"< price::book< page::book);
printf("%d%d", price>book, page>book);
unsigned char has a range from 0 to ------------
253
254
255
256
Operation between an integer and float always yields a float result.
True
False
C programming language was developed by
Dennis Ritchie
Ken Thompson
Bill Gates
Peter Norton
Which of the following is a valid destructor of the class name "Country"
int ~Country()
void Country()
int ~Country(Country obj)
void ~Country()
The expression 'int j = 6 + 3 % -9;' evaluates to -1.
True
False
The expression "b = 3 ^ 2;" will evaluate b = 9.
True
False
A continue statement causes execution to skip to
the return 0; statement
the first statement after the loop
the statement following the continue statement
the next iteration of the loop
What's wrong? while( (i < 10) && (i > 24))
the logical operator && cannot be used in a test condition
the while loop is an exit-condition loop
the test condition is always true
the test condition is always false
The output of the following code is:
main()
{
unsigned int a = 10;
while (a>=10)
{
int a; a-- ;
}
printf("%i", a);
}
{
unsigned int a = 10;
while (a>=10)
{
int a; a-- ;
}
printf("%i", a);
}
Infinite loop
9
0
None
The-------------------- statement helps immediate exit from any part of the loop
break
continue
exit
All of the above
What will be output if you will compile and execute the following c code?
#include
int main(){
char c=125;
c=c+10;
printf("%d",c);
return 0;
}
135
+INF
-121
-135
Which one of the following is not a fundamental data type in C++
float
string
int
wchar_t
unsigned' is a valid variable name.
True
False
What's wrong? (x = 4 && y = 5) ? (a = 5) ; (b = 6);
the question mark should be an equal sign
the first semicolon should be a colon
there are too many variables in the statement
the conditional operator is only used with apstrings
What would be the output of the following program?
int x=40;
main(){
int x=20;
printf("
%d",x);
}
main(){
int x=20;
printf("
%d",x);
}
40
20
Compilation Error
Garbeg Value
The expression (i + j)++ is illegal.
True
False
The output of the following code is:
main()
{
int k, num = 30;
k = (num > 5 ? (num <= 10 ? 100 : 200) : 500);
printf("
%d", num);
}
{
int k, num = 30;
k = (num > 5 ? (num <= 10 ? 100 : 200) : 500);
printf("
%d", num);
}
200
500
30
Unpredictable
The size of signed integer is ------ bytes.
4
2
8
10
Which of the following is not an infinite loop
int i =1;
while (1)
{i++;}
for( ; ; );
int true=0< false;
while (true)
{false = 1;}
int y, x = 0;
do
{y = x;}
while (x==0);
When is std::bad_alloc exception thrown?
When new operator cannot allocate memory
When alloc function fails
When type requested for new operation is considered bad< thisexception is thrown
When delete operator cannot delete teh allocated (corrupted) object
emp name' is a valid variable name.
True
False
Only one break can be used in one loop.
True
False
It is necessary to initialize the array at the time of declaration.
True
False
Which of the following is not recommended in a header file?
Type definitions (typedefs)
Class definitions
Function definitions
Template definitions
strcat() function ----------------------- two strings.
delete
concatenate
compare
none of the above
Which classes allow primitive types to be accessed as objects?
Storage
Virtual
Friend
Wrapper
In the expression - 'x + y + 3z =20'
x + y' is a keyword
3 and 20 are constants
3z is a constant
y is a variable and z is a constant