Operating System (OS)
Feed back queue

are very easy to implement
dispatch tasks according to execution characteristics
require manual intervention to implement properly
None of these
are used to favor real-time tasks

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
A public key encryption system

None of these
allows anyone to decode the transmission
does not encode the data before transmitting it
allows only the correct receiver to decode the data
allows only the correct sender to decode the data

ANSWER DOWNLOAD EXAMIANS APP