Operating System (OS)
Thrashing can be avoided if

None of these
the speed of CPU is increased
All of these
the speed of I/O processor is increased
the pages, belonging to the working set of the programs, are in main memory

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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.
None of these
Repeated execution of program segments
A sequence of instructions which, when followed properly, solves a problem

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Operating System (OS)
Semaphores

are used for memory management
synchronize critical resources to prevent deadlock
synchronize critical resources to prevent contention
None of these
are used to do I/O

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