题目内容
(请给出正确答案)
[主观题]
●An operating system is (74) .(74) A. the highest layer of software B. the lowest layer of
●An operating system is (74) .
(74) A. the highest layer of software
B. the lowest layer of software
C. the highest layer of hardware
D. the lowest layer of hardware
提问人:网友rinsvey
发布时间:2022-01-06