单选题：Which of following activities is not what an operating system co

Which of following activities is not what an operating system concerns? @[D](1)
A. To manage the computer hardware
B. To provide an interface between the user and the system
C. To manage system resources
D. To provide a good user interface of an application




A.To manage the computer hardware
B.To provide an interface between the user and the system
C.To manage system resources
D.To provide a good user interface of an application


答案：D