A Centralized Computer System mes日 keyboard onnter monitor disks CPU desk USB controler graphics controllet adapter memory Database System Concepts -5th Edition,Oct 5,2006 20.4 @Silberschatz,Korth and SudarshanDatabase System Concepts - 5 20.4 ©Silberschatz, Korth and Sudarshan th Edition, Oct 5, 2006 A Centralized Computer System