Which one of the following is not a valid reserved keyword in C++
Explicit
Public
Implicit
Private
Correct Answer :
C. Implicit
Related Questions
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 C language.
/* is a procedural language .*/*/
The above statement is valid.
True
False
The output of the following code is:
#define sqr(x= x*x)
main()
{
int a = 10, b = 5;
printf("%d, %d", sqr(a+b),sqr(++a));
}
main()
{
int a = 10, b = 5;
printf("%d, %d", sqr(a+b),sqr(++a));
}
77, 121
225, 121
77< 144
Compilation error
Expression 4**3 evaluates to 64.
True
False
When a user defined function is defined in program, then it has to be called at least once from the main().
True
False
The output of the following code is:
main()
{
int a = 0;
for (; i = 0; i++)
printf("%d", a);
}
{
int a = 0;
for (; i = 0; i++)
printf("%d", a);
}
0
Nothing will be displayed
Infinite loop
None of the above
continue statement is used
to go to the next iteration in a loop
come out of a loop
exit and return to the main function
restarts iterations from beginning of loop
What will be output if you will compile and execute the following c code?
#include
#define x 5+2
int main(){
int i;
i=x*x*x;
printf("%d",i);
return 0;
}
27
343
233
Compiler Error
Which classes allow primitive types to be accessed as objects?
Storage
Virtual
Friend
Wrapper
strcat() function ----------------------- two strings.
delete
concatenate
compare
none of the above
C programming language was developed by
Dennis Ritchie
Ken Thompson
Bill Gates
Peter Norton
The main() function can be called from any other function.
True
False
The expression "b = 3 ^ 2;" will evaluate b = 9.
True
False
All elements of a structure are allocated contiguous memory locations.
True
False
A C variable cannot start with
An alphabet
A number
A special symbol other than underscore
both (b) and (c)
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
enum helps to create user defined datatype.
True
False
An array elements are always stored in _________ memory locations.
Sequential
Random
Sequential and Random
None of the above
fprintf()function can be used to write into console.
True
False
Which of the following is not a standard exception built in C++.
std::bad_creat
std::bad_alloc
std::bad_cast
std::bad_typeid
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 printf() function retunes which value when an error occurs?
Positive value
Zero
Negative value
None of these
The function fopen() on failure returns---------------------.
0
NULL
1
none of the above
unsigned' is a valid variable name.
True
False
The statement "for (i = 0, j = 2; j <= 10; j++)" is a valid statement in 'C'.
True
False
Which of the following is invalid?
''
" "
'a'
abc'
What will be output if you will compile and execute the following c code?
#include
int main(){
int i=320;
char *ptr=(char *)&i;
printf("%d",*ptr);
return 0;
}
int main(){
int i=320;
char *ptr=(char *)&i;
printf("%d",*ptr);
return 0;
}
1
64
320
Compiler Error
The -------------------------- loop executes at least once.
for
while
do-while
while & do-while
char *s[10] defines an array of ------------------------
pointers to strings
string to pointer
both
Which of the following is a valid destructor of the class name "Country"
int ~Country()
void Country()
int ~Country(Country obj)
void ~Country()