OPERATING SYSTEM (OS)

wake up

None of these

dispatch

timer run out

block

All of these

to provide complete file naming freedom to the users and to permit controlled sharing of files

None of these

to provide security against loss of information due to system failure

to provide for long and short term storage of files with appropriate economic tradeoffs.

allows only the correct sender to decode the data

does not encode the data before transmitting it

allows anyone to decode the transmission

None of these

allows only the correct receiver to decode the data

require manual intervention to implement properly

dispatch tasks according to execution characteristics

None of these

are used to favor real-time tasks

are very easy to implement

absolute mode

immediate mode

None of these

indirect mode

index mode