Answer / rakesh mishra

1)subroutines may or may not require input parameters .
function module require input as well as output parameters ,
2)subroutines does not have exceptions but function mod can have exceptions ,
3)subroutines do not have a return value
funct have return value

Answer / nimmu

1)Function module is a global to the program where as subroutine is local to the program.
2) Exceptions are handles in function modules where as subroutines do not.

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