serial versus parallel. if I treat cereal as a special case of parallel, then all the frosting can be in the same bag, that bag only has a nozzle that can handle one color at a time. Posted on November 12, 2021 by Kenneth Udut Leave a comment serial versus parallel. if I treat cereal as a special case of parallel, then all the frosting can be in the same bag, that bag only has a nozzle that can handle one color at a time. [responsivevoice_button voice="US English Male"] Leave a comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. seven + 9 = Leave a Reply