Operating System (OS)
The dispatcher

never changes task priorities
puts tasks in I/O wait
None of these
is always small and simple
actually schedules the tasks into the processor

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

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

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Operating System (OS)
Which, of the following, is true for testing and debugging?

All of these
None of these
Testing and debugging indicate the same thing
Testing detects the syntax errors in the program while debugging corrects those errors in the program
Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the program

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