Across
- 3. people,machines,other computer
- 4. System Calls were grouped into categories according to their use
- 5. kernel are all placed together
- 12. the components run all the time a computer is turned on
- 13. all machine work,monitoring each other
- 15. components that perfotm similar functions are grouped together
- 16. the system by which people(users)interact with a machine
- 17. graphical elements can be mixed with text on the same display
- 19. OS divided into several processes,each implements a singleset of services
- 20. close,write,reposition,get file attributes
Down
- 1. end,about,set process attributes,wait for time,wait event
- 2. provides basic computing resources
- 6. can be freely used
- 7. the only component that could directly communicate with kernel
- 8. copying informations into faster storage system
- 9. allowing files to be recorded in a tree structure
- 10. only the final product is made available
- 11. a method of overlapping the computation of a job with its execution
- 14. one machine work,another standby
- 18. a set of functions to request for os services