Inbuild Function

 1 Function putchar() displays

 A) one word at a time on the screen

 B) one character at a time

 C) result on the screen

 D) None of the above

2  The sqrt() function is available in

 A) conio.h

 B) string.h

 C) math.h

 D) graphic.h

3   pow(x,y) is used to

A)  power of yx

B)   power of xy

C)   logarithm of x on the base y

D)  Such function does not exist