Please select only one of the following questions and offer a good, substantive reply to it, aiming to write at least 100 words in both your initial post and all other responses to classmates. Some repetition is inevitable, but please aim to reply to a question that has not already been replied to by one of our classmates. Please include the question number you reply to, so we all can better understand your post, such as #1, #2, etc.:

1. What is a balanced DFD and what is an unbalanced DFD? Can you transform an unbalanced DFD into a balanced DFD? If yes, how?