Question

What are the four characteristics of an operating system (OS)?​

Answer 1

Answer:

It is protected and supervisor mode

Program execution

It handle operation

Manipulation of file system

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Answer 2

Answer:

Protected and supervisor mode.

Allows disk access and file systems Device drivers Networking Security.

Program Execution.

Memory management Virtual Memory Multitasking.

Handling I/O operations.

Manipulation of the file system.