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);
Correct Answer :
A. printf("%d%d", book.price, book.page);
Related Questions
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
All macro substitutions in a program are done before compilation of the program.
True
False
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
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
strcat() function ----------------------- two strings.
delete
concatenate
compare
none of the above
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
The same variable names of automatic type can be used in different functions without any conflict.
True
False
/* The C language.
/* is a procedural language .*/*/
The above statement is valid.
True
False
Which of the following is not a preprocessor directive
#if
#elseif
#undef
#pragma
# define PI = 8;' is the correct declaration of macros.
True
False
Which of the following expressions is wrong
float a =123.56;
char ch ='T' * 'A';
char ch ='T' *20;
3 +a = b;
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 following keyword supports dynamic method resolution?
abstract
Virtual
Dynamic
Typeid
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.
A pointer is an indication of the variable to be accessed next.
True
False
What is right way to Initialization array?
int num[6] = { 2, 4, 12, 5, 45, 5 } ;
int n{} = { 2, 4, 12, 5, 45, 5 } ;
int n{6} = { 2< 4< 12 } ;
int n(6) = { 2, 4, 12, 5, 45, 5 } ;
Which escape character can be used to beep from speaker in C?
\a
\b
\m
There are total ------ numbers of operators in 'C'.
35
45
55
40
Structures within structures cannot be created.
True
False
void' is a datatype.
True
False
Each pass through a loop is called a/an
enumeration
iteration
culmination
pass through
The output of the following code is:
void main()
{
static int a = 1, b, c;
if (a>=2) b=2; c=3;
printf("%d\t%d", b,c);
}
{
static int a = 1, b, c;
if (a>=2) b=2; c=3;
printf("%d\t%d", b,c);
}
2 3
0 3
0 0
2 0
An array elements are always stored in _________ memory locations.
Sequential
Random
Sequential and Random
None of the above
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
The main() function can call itself recursively.
True
False
= and = = have the same operation.
True
False
Which one of the following is not a fundamental data type in C++
float
string
int
wchar_t
Which of the following is an example of compounded assignment statement?
a = 5
a += 5
a = b = c
a = b
static variable will not always have assigned value.
True
False
The output of the following code is:
void change (char *k)
{
k="Hello";
return;
}
main()
{
char *ch = "World";;
change(ch);
printf("%s", ch);
}
{
k="Hello";
return;
}
main()
{
char *ch = "World";;
change(ch);
printf("%s", ch);
}
Hello
World
Compilation error
Hello World