Operating System (OS)
When a computer is first turned on or restarted, a special type of absolute loader is executed, called a

Bootstrap loader
None of these
"Compile and Go" loader
Relating loader
Boot loader

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Operating System (OS)
A critical region is

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

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