题目内容

Desktop operating systems are used to control and coordinate computers that are networked or linked together.

A. 对
B. 错

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更多问题

iOS was developed by Apple and originally called iPhone OS.

A. 对
B. 错

Device drivers make copies of files to be used in case the originals are lost or damaged.

A. 对
B. 错

Antivirus programs guard your computer system against viruses.

A. 对
B. 错

下述操作不改变对象本身的是？

A. List.insert(2,‘A’)
B. Tuple.copy()
C. del Dict[‘key1’]
D. Set.add(‘A’)