00274nam a2200109Ia 4500008004100000082001900041100001800060245003300078250001200111260003300123300000800156240913s9999||||xx |||||||||||||| ||und||  a004..22  MAN/C  aM Morris Mano 0aComputer System architecture  a3rd Ed.  bPrentice  HallaLondonc2008  a520