题目内容

This version of UNIX is an open source operating system that is an alternative to Windows.

A. Mountain Lion
B. Lion
C. Linux
D. Windows

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This type of embedded operating system is used by smartphones.

A. Desktop
B. Mobile
C. Network
D. Stand-alone

In a virtualized environment, this operating system runs on the physical machine.

A. Guest
B. Client
C. Host
D. Home

Which of the following is not a popular desktop operating system?

A. Windows 8
B. Android
C. Linux
D. Max OS X

Which of the following is not a popular mobile operating system?

A. Mountain Lion
B. Windows Phone 8
C. iOS
D. Android