Operating Systems Concepts - Section 7 Multiple Questions and Answers.




41.The state transition initiated by the user process itself in an operating system is
A. block
B. dispatch
C. wake up
D. timer run out

42.Which of the following program is not a utility?
A. Debugger
B. Editor
C. Spooler
D. All of the above

43.The function(s) of file system is (are):
A. to provide complete file naming freedom to the users and to permit controlled sharing of files
B. to provide for long and short term storage of files with appropriate economic tradeoffs.
C. to provide security against loss of information due to system failure
D. all of the above

44.A public key encryption system
A. allows anyone to decode the transmission
B. allows only the correct sender to decode the data
C. allows only the correct receiver to decode the data
D. does not encode the data before transmitting it

45.Feed back queue
A. are very easy to implement
B. dispatch tasks according to execution characteristics
C. are used to favor real-time tasks
D. require manual intervention to implement properly

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