Operating System (OS)
An incremental backup

saves all files
None of these
uses more tapes
saves only files that have recently changed
should be done each month

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

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

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Operating System (OS)
Backups should be done

daily for most installations
as several image copies, followed by an incremental
None of these
weekly for most installations
as several incrementals, followed by an image copy

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