Introduction to OS

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Across
  1. 2. OS as an intermediate between user and ___ application.
  2. 3. The privatize of application’s virtual address are because: To avoid ___ of data between programs.
  3. 4. Basic Task of OS: Recognizing ___ from the keyboard, example: user type any words or user request a task.
  4. 7. Function of OS: It ___ the computer
  5. 9. A computer program makes a ____ when it makes a request to the operating system's kernel.
  6. 10. Provides basic computing resources CPU, memory, I/O devices.
  7. 12. When a processor reads or ___ to a memory location, it uses a virtual address.
Down
  1. 1. It manages the hardware and software resources of the system.
  2. 5. System calls provide an essential interface between a ___ and the operating system.
  3. 6. Generally reserved for the lowest-level, most trusted functions of the operating system.
  4. 8. In this viewpoint, the operating system is more involved with hardware services.
  5. 11. A person who utilizes a computer or network service.