Operating System (OS)
A critical region is

one which is enclosed by a pair of P and V operations on semaphores
a program segment that has not been proved bug-free
a program segment where shared resources are accessed
none is the above
a program segment that often causes unexpected system crashes

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Operating System (OS)
What is the method of handling deadlocks?

All of these
Allow the system to enter the deadlock state and then recover
Use a protocol to ensure that the system will never enter a deadlock state
Pretend that deadlocks never occur in the system

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Operating System (OS)
Multiprogramming

None of these
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.
is a method of allocating processor time.
allows multiple programs to reside in separate areas of core at the time.
consists of those addresses that may be generated by a processor during execution of a computation.

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