Operating System 19CS/PC/OC14

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Across
  1. 2. memory Primary memory is volatile in nature
  2. 4. cloud run by a company for the company’s own use
  3. 5. is 1 billion bytes
  4. 8. provide web access to internal systems
  5. 10. Each user has at least one program executing in memory
  6. 14. wall Home systems use firewalls to protect home computers from Internet attacks
  7. 15. A set of software frameworks that provide addition services to application developers such as databases, multimedia, graphics
  8. 17. scheduling If several jobs ready to run at the same time
  9. 18. Provides basic computing resources CPU, memory, I/O devices
  10. 20. servers or storage available over Internet (i.e., storage available for backup use)
  11. 21. Program Word processors, compilers, web browsers, database systems, video games
  12. 22. function Kernel Data Structure
  13. 26. Windows is GUI
  14. 28. is 1 million bytes
  15. 29. software stack ready for application use via the Internet (i.e., a database server)
  16. 30. Screen Mobile user interfaces
  17. 31. Is a software-generated interrupt caused either by an error or a user request
  18. 33. is CUI
  19. 34. multitasking
  20. 35. - To keep track of which users use how much and what kinds of computer resources
  21. 36. cloud includes both public and private cloud components
  22. 37. clients are like Web terminals
Down
  1. 1. networks Mobile computers interconnect
  2. 3. Disk Tertiary memory is non- volatile in nature
  3. 6. program Is loaded at power-up or reboot
  4. 7. disk Secondary memory is non-volatile in nature
  5. 9. goals operating system should be easy to design, implement, and maintain, as well as flexible, reliable, error-free, and efficient
  6. 11. computer Some computers have little or no user interface
  7. 12. one or more applications available via the Internet (i.e., word processor)
  8. 13. system Controls and coordinates use of hardware among various applications and users
  9. 15. Batch system
  10. 16. computing Collection of separate, possibly heterogeneous, systems networked together
  11. 19. cloud available via Internet to anyone willing to pay
  12. 23. Multiprocessing each processor is assigned a specie task.
  13. 24. If processes don’t fit in memory, moves them in and out to run
  14. 25. is a communications path
  15. 27. Multiprocessing each processor performs all tasks
  16. 29. involves ensuring that all access to system resources is controlled
  17. 32. memory Allows execution of processes not completely in memory
  18. 33. goals operating system should be convenient to use, easy to learn, reliable, safe, and fast