Operating System (OS)
The title bar always displays on

All of above
Top of the open windows
Right side of the open window
Left side of the open window

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Operating System (OS)
Addressing modes

are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.
All of these
None of these
defines the fundamental method of determining effective operand addresses
performs indicated operations on two fast registers of the machine and leave the result in one of the registers.

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Operating System (OS)
Feed back queue

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

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Operating System (OS)
A public key encryption system

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

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Operating System (OS)
The function(s) of file system is (are):

All of these
to provide complete file naming freedom to the users and to permit controlled sharing of files
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.
None of these

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