Operating System (OS)
Semaphores

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

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Operating System (OS)
Which of the following refers to the associative memory?

the address of the data is generated by the CPU
there is no need for an address i.e. the data is used as an address
None of these
the data are accessed sequentially
the address of the data is supplied by the users

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