Operating System Assignment

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Across
  1. 3. Operating systems used in embedded devices
  2. 6. A program that locates and loads the OS/
  3. 7. It acts as intermediary between user and hardware
  4. 10. These are the means by which user programs can request for OS services
  5. 11. A bit that is added to the hardware to indicate whether privileged operations can be performed or not
  6. 13. CPU can read data and instructions present from ________ memory only
Down
  1. 1. Signals sent to the CPU by hardware or software that halt the ongoing activities
  2. 2. A technique that allows a computer to run two or more programs at the same time by switching between them at periodic timeslots
  3. 4. Memory that loses data when powered off is __________ memory
  4. 5. Program under execution
  5. 8. The process of storing the data in a temporary access to speed up data access
  6. 9. This ensures that no process takes control over CPU infinitely
  7. 12. A direct mode of data transfer between hardware and memory without intervention of CPU