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What is the main purpose of an operating system?
What is the main purpose of an operating system?
- To execute all machine instructions in Kernel mode
- To update existing system functions easily
- To provide a graphical user interface
- To control input/output devices (correct)
In which mode of operation does the OS have complete access to all hardware resources?
In which mode of operation does the OS have complete access to all hardware resources?
- Kernel mode (correct)
- User mode
- Input/output mode
- Machine instruction mode
What aspect of an operating system contributes to making computers more convenient to use?
What aspect of an operating system contributes to making computers more convenient to use?
- Updateability for improving existing systems
- Efficiency in resource use
- Providing a user interface (correct)
- Controlling IO devices
Which mode of operation allows only a subset of machine instructions for the user?
Which mode of operation allows only a subset of machine instructions for the user?
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What role does the operating system play in terms of data transfer?
What role does the operating system play in terms of data transfer?
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What is the main role of the OS as a resource manager?
What is the main role of the OS as a resource manager?
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In the context of OS management, what does 'context switching' refer to?
In the context of OS management, what does 'context switching' refer to?
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What is the primary purpose of virtual memory management by the OS?
What is the primary purpose of virtual memory management by the OS?
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How does the OS manage file systems effectively?
How does the OS manage file systems effectively?
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Which function falls under the responsibility of OS in terms of security services?
Which function falls under the responsibility of OS in terms of security services?
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