Which of the following services is provided by the operating system?

A ) File-system Management

B ) Hardware Management

C ) User interface

D ) All of these

Related Questions
  1. In DOS, a user communicates with the operating system by issuing:
  2. Which of the following is not a type of user interface?
  3. Which of the following acts as an interface between the user and the hardware?
  4. Ctrl + Alt + Del is:
  5. Windows was developed by:
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