Operating Systems 1.1 Definition Banking Airline system reservationbrowser Application programs Command Compilers Editors interpreter Syste programs Operating system Machine language Microarchitecture Hardware Physical devices G A computer system consists of 口 Hardware A system programs H application programs Gao Haichang, Software School, Xidian UniversityOperating Systems Gao Haichang , Software School, Xidian University 5 1.1 Definition  A computer system consists of  Hardware  system programs  application programs