------ is the ternary operator
?,-
?,:
++<--
none of the above
Correct Answer :
B. ?,:
Related Questions
Which of the following is not a standard exception built in C++.
std::bad_creat
std::bad_alloc
std::bad_cast
std::bad_typeid
C programs are converted into machine language with the help of
An Editor
A compiler
An operating system
None of the above
Which escape character can be used to beep from speaker in C?
\a
\b
\m
Which of the following is an example of compounded assignment statement?
a = 5
a += 5
a = b = c
a = b
Operation between an integer and float always yields a float result.
True
False
No commas or blanks are allowed within an integer or a real constant.
True
False
The output of the following code is:
main()
{
void msg()
{
printf("HELLO WORLD");
}
}
{
void msg()
{
printf("HELLO WORLD");
}
}
HELLO WORLD
Error
None of the above
Null
Which of the following is a valid destructor of the class name "Country"
int ~Country()
void Country()
int ~Country(Country obj)
void ~Country()
# define PI = 8;' is the correct declaration of macros.
True
False
printf("%d", sizeof('2')); will print 2.
True
False
------ is the ternary operator
?,-
?,:
++<--
none of the above
The array 'char name[10] can consist of a maximum of 9 characters.
True
False
It is necessary to initialize the array at the time of declaration.
True
False
do-while loop is useful when we want the statements within the loop must be executed
Only once
At least once
More than Once
Any one of the above
printf() is not a library function.
True
False
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
Variables declared as register storage type gets stored in CPU registers.
True
False
char *s[10] defines an array of ------------------------
pointers to strings
string to pointer
both
Identify the wrong statement
putchar(65)
putchar('x')
putchar("x")
putchar('
')
The output of the following code is:
main()
{
xyz: goto abc;
printf("Hello");
abc: printf("World");
goto xyz;
}
{
xyz: goto abc;
printf("Hello");
abc: printf("World");
goto xyz;
}
Infinite loop
Hello World
World Hello
Compilation error
the value *(&i) is same as printing the value of address of i.
True
False
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 of the STL containers store the elements contiguously (in adjecent memory locations)?
std::vector
std::list
std::map
std::set
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);
How many times the following loop will execute?
for (a = 0; a < 4; a++)
printf("hello
");
3
4
5
infinite
What is the difference between overloaded functions and overridden functions?
Overloading is a dynamic or run-time binding and Overriding is static or compile-time binding
Redefining a function in a friend class is called function overriding while Redefining a function in a derived class is called a overloaded fucntion.
Overloading is a static or compile-time binding and Overriding is dynamic or run-time binding
Redefining a function in a friend class is called function overloading while Redefining a function in a derived class is called as overridden fucnion.
Which among the following is a unconditional control structure
do-while
if-else
goto
for
The output of the following code is:
void main()
{
int z, a = 5, b = 3; z = a * 2 + 26 % 3;
printf("%d", z); }
{
int z, a = 5, b = 3; z = a * 2 + 26 % 3;
printf("%d", z); }
10
0
12
None of the above
Which of the following is not true about preprocessor directives
They begin with a hash symbol
They are processed by a preprocessor
They form an integral part of the code
They have to end with a semi colon
Union is used to hold different data at different time.
True
False