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

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

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Operating System (OS)
Thrashing can be avoided if

None of these
the pages, belonging to the working set of the programs, are in main memory
the speed of CPU is increased
the speed of I/O processor is increased
All of these

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Operating System (OS)
The term "operating system" means

None of these
the way a floppy disk drive operates
the way a computer operator works
a set of programs which controls computer working
conversion of high level language into machine code

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