Operating System (OS)
Four necessary conditions for deadlock to exist are: mutual exclusion, no-preemption, circular wait and

hold and wait
buffer overflow
deadlock avoidance
None of these
race around condition

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Operating System (OS)
Multiprogramming

consists of those addresses that may be generated by a processor during execution of a computation.
None of these
is a method of allocating processor time.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
allows multiple programs to reside in separate areas of core at the time.

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