Operating System (OS)
To display a shortcut menu for an object you use

Right click the object
Point the object and press Ctrl+P
Touch the object on the screen with your finger
Click the object

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Operating System (OS)
Virtual Memory

consists of those addresses that may be generated by a processor during execution of a computation.
None of these
allows multiple programs to reside in separate areas of core at the time.
is a method of allocating processor time.
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.

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

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

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Operating System (OS)
Semaphores

are used for memory management
None of these
synchronize critical resources to prevent deadlock
synchronize critical resources to prevent contention
are used to do I/O

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Operating System (OS)
Daisy chain is a device for

All of these
connecting a number of controllers to a device
None of these
interconnecting a number of devices to a number of controllers
connecting a number of devices to a controller

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