What's wrong? for (int k = 2, k <=12, k++)
the increment should always be ++k
the variable must always be the letter i when using a for loop
there should be a semicolon at the end of the statement
the commas should be semicolons
Correct Answer :
B. the variable must always be the letter i when using a for loop
Related Questions
It is necessary to initialize the array at the time of declaration.
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
The output of the following code is:
void main()
{
int a = 1, b=2;
int *ip;
ip=&a;
b=*ip;
printf("%d", b);
}
{
int a = 1, b=2;
int *ip;
ip=&a;
b=*ip;
printf("%d", b);
}
2
1
100
0
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
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
The main() function can be called from any other function.
True
False
The default initial value of automatic storage class is 0.
True
False
Which one of the following is not a valid reserved keyword in C++
Explicit
Public
Implicit
Private
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);
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
Identify the wrong statement
putchar(65)
putchar('x')
putchar("x")
putchar('
')
C programming language was developed by
Dennis Ritchie
Ken Thompson
Bill Gates
Peter Norton
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
C is a ___ language
High Level and Procedural
Low Level and OOPS
Middle Level and Procedural
Machine Level and OOPS
Which of the following language is predecessor to C Programming Language?
A
B
BCPL
C++
A multidimensional array A[10][9] can store-------- number of elements
91
88
90
89
No commas or blanks are allowed within an integer or a real constant.
True
False
The output of the following code is:
void main()
{
float a;
int x = 10, y = 3; a = x / y;
printf("%f", a); }
{
float a;
int x = 10, y = 3; a = x / y;
printf("%f", a); }
3.999999
Error
3
3.000000
The expression "b = 3 ^ 2;" will evaluate b = 9.
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
The function fopen() on failure returns---------------------.
0
NULL
1
none of the above
The value of an enumerated datatype can be read using scanf() function.
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
char *s[10] defines an array of ------------------------
pointers to strings
string to pointer
both
Which of the following keyword supports dynamic method resolution?
abstract
Virtual
Dynamic
Typeid
fopen() function returns a pointer to the open file.
True
False
Variables declared as register storage type gets stored in CPU registers.
True
False
The printf() function retunes which value when an error occurs?
Positive value
Zero
Negative value
None of these
Nested macros are allowed.
True
False