Operating System (OS)
Which of the following is true for machine language.

Depicting flow of data in a system
the language which communicates with the computer using only the binary digits 1 and 0.
Repeated execution of program segments
A sequence of instructions which, when followed properly, solves a problem
None of these

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Operating System (OS)
The LRU algorithm

pages out pages that have been least used recently
pages out pages that have not been used recently
pages out the first page in a given area
None of these
pages out pages that have been used recently

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Operating System (OS)
Backups should be done

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

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