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

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

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Operating System (OS)
Swapping

allows many programs to use memory simultaneously
works best with many small partitions
does not work with overlaying
None of these
allows each program in turn to use the memory

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Operating System (OS)
A page fault

is an access to a page not currently in memory
is an error is a specific page
is a reference to a page belonging to another program
None of these
occurs when a program accesses a page of memory

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Operating System (OS)
Which of the following statement is true.

None of these
The LRU algorithm pages out pages that have been used recently
Thrashing is a natural consequence of virtual memory systems.
Seek analysis is used for analysing control-unit busy problems.
All of these

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