OPERATING SYSTEM (OS)

block

None of these

timer run out

wake up

dispatch

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

All of these

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

to provide security against loss of information due to system failure

None of these

does not encode the data before transmitting it

allows only the correct sender to decode the data

allows anyone to decode the transmission

None of these

allows only the correct receiver to decode the data

None of these

are used to favor real-time tasks

dispatch tasks according to execution characteristics

require manual intervention to implement properly

are very easy to implement

absolute mode

indirect mode

immediate mode

None of these

index mode