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

None 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.
All of these

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Operating System (OS)
The advantage(s) of incorporating the macro processor into pass 1 is(are):

Functions are combined and it is not necessary to create intermediate files as output from the macros processor and input to the assembler.
All of these
more flexibility is available to the programmer in that he may use all the features of the assembler in conjunction with macros.
None of these
many functions do not have to be implemented twice.

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Operating System (OS)
You should choose sleep option when

When computer gets hanged frequently. Let it sleep for some time
The computer is tired after working for the whole day
You are leaving for a very short time and want to resume you work shortly
You finish working and going to bed

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