A) Command Resources
B) Manage Resources
C) Provide Utilities
D) Be user friendly
E) None of these
Correct Answer: B
Solution :[b] An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs. It is an essential component of the system software in a computer system. Examples include: include Android, BSD, iOS, Linux, OS X, QNX, Microsoft Windows. Windows Phone, and IBM x/OS.
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