A computer platform is a particular configuration of 1) RAM; 2) OS; 3) hardware configuration; 4) application software 1), 2), and 4) a. b. 1) and 2) c. 2), 3), and 4) d. 2) and 3) 9. The form of process management when different parts of the program are executed at the same time is called_ a. Multiprocessing b. Multitasking c. Multithreading d. Time-sharing 10. Open systems concept refers to a compatibility of information systems on 1) hardware level; 2) software level; 3) conceptual level a. 1) b. 2) c. 1) and 2) d. 1), 2) and 3)