Terminology

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Across
  1. 2. A running program managed by the operating system.
  2. 4. The core part of an operating system that manages hardware resources.
  3. 6. Operations that involve input devices and output devices.
  4. 8. The OS function that allocates and tracks RAM usage.
Down
  1. 1. The OS activity that decides which process runs next.
  2. 3. The restricted execution mode where applications run safely.
  3. 4. The privileged execution mode where the OS has full control.
  4. 5. The smallest unit of execution inside a process.
  5. 7. The interface that allows users to communicate with the operating system.