Operating Systems Internal Assessment 2 Part 2

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Across
  1. 6. The __________ is used as an index into the page table.
  2. 8. When the memory allocated to a process is slightly larger than the process, then ____________occurs
  3. 10. Defective sectors on disks
  4. 11. A disk that has a boot partition is called
  5. 13. Process spends a lot of time paging than executing
  6. 16. the disk arm starts at one end of the disk and moves toward the other end, servicing requests till the other end of the disk. At the other end, the direction is reversed and servicing continues.
  7. 17. The time taken for the desired sector to rotate to the disk head
  8. 18. The time taken to move the disk arm to the desired cylinder
  9. 19. the disk arm goes as far as the final request in each direction, then reverses direction immediately without going to the end of the disk.
Down
  1. 1. the total number of bytes transferred divided by the total time between the first request for service and the completion on the last transfer
  2. 2. With paging there is no ________ fragmentation.
  3. 3. The heads of the magnetic disk are attached to
  4. 4. Physical memory is broken into fixed-sized blocks called
  5. 5. EAT is Directly proportional to
  6. 7. The _______ program initializes all aspects of the system, from CPU registers to device controllers and the contents of main memory, and then starts the operating system.
  7. 9. Logical memory is broken into blocks of the same size called _________
  8. 12. algorithm chooses the page that has not been used for the longest period of time whenever the page required to be replaced?
  9. 14. Swap space exists in
  10. 15. The segment limit contains