3. The two separate modes of operating in a system are__________.
(A) kernel mode and user mode
(B) privileged mode and kernel mode
(C) server mode and client mode
(D) virtural mode and system mode
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統計: A(4), B(4), C(2), D(0), E(0) #2366020
統計: A(4), B(4), C(2), D(0), E(0) #2366020