Operating System (OS)
A real time operating system is most likely to be used for which of the following task?

Controlling the fuel injection system of an automobile engines
Controlling access to a shared printer in a network
Managing the access to system files in a laptop computers
Ensuring that system clock works correctly on server

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Operating System (OS)
The advantage(s) inherent to using high level languages is (are)

None of these
A greater degree of machine independence
Improved debugging capability, and superior documentation
All of these
Fewer people, less management and shorter transition in learning time

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Operating System (OS)
A critical region is

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

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