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 access to a shared printer in a network
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)
The main function of the dispatcher (the portion of the process scheduler) is

swapping a process to the disk
bring processes from the disk to the main memory
suspending some of the processes when the CPU load is high
assigning ready process to the CPU
None of these

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Operating System (OS)
Fork is

the dispatching of a task
the creation of a new job
the creation of a new process
increasing the priority of a task
None of these

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Operating System (OS)
Operating system

links a program with the subroutines it references
enables the programmer to draw a flowchart
None of these
All of these
provides a layered, user-friendly interface

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