ocr: PU2B Union, no PU27 concurrency Diiferent data and code, 21) : PU3 no CUICUTIEICY These. are 22. objects. Docoeposition of nodes. 19 PU3B 6B * - - 20 D. B Code and data copied, 5 D C, concurency Blowed. mese are Copy dasa, low dassos, concurrency. Compoeste-node Super node Figure #: Axample Gtagram.