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To provide hardware, Most modern operating system access the storage devices in 1.system mode 2.user mode...

To provide hardware, Most modern operating system access the storage devices in
1.system mode 2.user mode 3.both modes 4.other modes
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Answer #1

1.

To provide hardware, Most modern operating system access the storage devices in below modes

  • system mode:
    • In this there is no restriction to access the underlying hardware.
    • It is the lowest level as well as it is considered as the trusted level.
  • user mode:
    • Direct access of hardware is not possible in this mode.
    • This mode delegates to system API.

Option 3

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