OS Concepts

12345678910111213141516171819
Across
  1. 4. The process of starting up a computer.
  2. 6. The OS feature that prevents unauthorized access to resources.
  3. 7. The graphical workspace of an operating system.
  4. 9. The earliest type of OS that executed jobs in sequence.
  5. 10. Software that is permanently stored in a hardware device.
  6. 12. A mechanism through which programs request services from the OS.
  7. 15. The core component of an operating system that interacts with hardware.
  8. 16. The smallest unit of execution within a process.
  9. 17. The interface that allows users to communicate with the OS.
  10. 18. The memory area where active processes reside.
  11. 19. The OS component responsible for managing memory allocation.
Down
  1. 1. The OS method of keeping track of all open files.
  2. 2. A small, high-speed memory that stores frequently accessed data.
  3. 3. The process of switching between tasks to optimize CPU usage.
  4. 5. A running instance of a program.
  5. 8. The OS function that manages processes and CPU scheduling.
  6. 11. A system where multiple processes run seemingly at the same time.
  7. 13. A program that translates source code into machine code.
  8. 14. A program that enables the OS to control hardware devices.