Which is a good use for typecasting?

A$.$ To allow division of two integers to return a decimal value.

B$.$ To allow your program to use nothing but integers.

C$.$ To change the return type of a function.

D$.$ To swap variables rapidly.

Which is not a proper prototype?

A$.$ int funct$($char $x,$ char $y)$;

B$.$ double funct$($char $x)$

C$.$ void funct$()$;

D$.$ charx$()$;

Which of the following is a valid function call $($assuming the function exists$)?$

A$.$ funct;

B$.$ funct $x,y$;

C$.$ funct$()$;

D$.$ int funct$()$;

Which of the following is a complete function?

A$.$ int funct$()$;

B$.$ int funct$($int $x)\{$return $x=x+1$;

C$.$ void funct$($int$)\{$printf$($ "Hello"$)$;

D$.$ void funct$($x$)\{$printf$($ "Hello" $)$; $\}$

Which of the following is the proper keyword to allocate memory?

A$.$ new

B$.$ malloc

C$.$ create

D$.$ value

Which of the following is the proper keyword to deallocate memory?

A$.$ free

B$.$ delete

C$.$ clear

D$.$ removeXP