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If a process tries to access a page which is not present in memory or was not brought into memory. access to such page marked as invalid in page table.

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Q: What do you mean by page-fault. when do page-fault occur. describe the action taken by the OS when page fault occurs?
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Related questions

Describe how compression forces make rocks move along a reverse fault?

A reverse fault occurs primarily across lithological units where as a thrust usually occurs within or at a low angle to lithological units.


What fault occurs at convergent boundarys?

A reverse fault


Describe what happens along a fault beneath earths surace when an earthquake occurs?

the tectonic plates start to collide which causes shearing, so the epicenter is forces to move farther down the path of the fault.


What fault occurs at a divergent boundary?

The type of fault that generally occurs at a divergent boundary is a strike-slip fault. It is also referred to as a transform fault.


When do page Page fault occur?

The Page Fault does occurs when there is unexpected event that has occurred in Windows. When the Page Fault occurs it is not possible for the hardware to function.


What fault occurs at a convergent boundary.?

A reverse fault


This type of fault occurs when rock above the fault moves upward at the fault line?

Reverse Fault


If a fault occurs on an area where rock layers have folded what kind of fault will it be?

thrust or reverse fault,


What is fault inception angle?

It the angle between fault current and voltage at the point where the fault occurs.


If a fault occurs in an area where rock layers have been folded which type of fault is it likely to be?

If a fault occurs in an area where rock layers have been folded, the type of fault it is likely to be is thrust faulting. This type of fault will have the ground on one side of the fault, move up and over adjacent ground.


What is the offset that occurs along a fault?

displacement


What fault occurs when tectonic plates pull apart from one another and tensional stress is placed on rock layers?

normal fault occurs...odyssey