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When a page fault occurs, it means that a program is trying to access data that is currently not in physical memory. The operating system then triggers a page fault handler to bring the required data into memory from secondary storage like the hard drive. After this, the program can resume execution with the necessary data now available in physical memory.
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When does the page fault occur?
A page fault occurs when a program or process needs to access a page in memory that is not currently loaded in the RAM. This prompts the operating system to retrieve the required page from secondary storage (like the hard drive) and load it into RAM.
If a fault occurs on an area where rock layers have folded what kind of fault will it be?
A fault that occurs on folded rock layers is likely to be a thrust fault, where one block of rock is pushed up and over the other. This type of fault is common in areas where horizontal compression forces have folded the rock layers.
What fault occurs when tectonic plates pull apart from one another and tensional stress is placed on rock layers?
A fault called a normal fault occurs when tectonic plates pull apart and tensional stress causes the rock layers to break and move along the fault line. In a normal fault, the hanging wall moves down relative to the footwall due to the extensional forces acting on the rocks.
What type of fault occurs when compression forces push one of the fault upward and the other side downward?
thrust A+
What type of fault occurs when compression forces push one side of the fault upward and the other side downward?
A reverse fault occurs when compression forces push one side of the fault upward and the other side downward. This type of fault is associated with convergent plate boundaries where tectonic forces cause crustal rocks to be pushed together.
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 are the steps which are taken when a page fault occurs?
lawra
What do you mean by page-fault. when do page-fault occur. describe the action taken by the OS when page fault occurs?
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.
What page fault in operating system?
a page fault is a hardware or software interrupt,it occurs when an access to a page that has not been brought into main memory takes place.
When does page fault occur?
A page fault occurs when a program accesses a memory page that is not currently in physical memory (RAM). This triggers the operating system to fetch the required page from secondary memory (disk) into RAM, allowing the program to continue execution.
When does the page fault occur?
A page fault occurs when a program or process needs to access a page in memory that is not currently loaded in the RAM. This prompts the operating system to retrieve the required page from secondary storage (like the hard drive) and load it into RAM.
What Actions are taken by operating system when page fault occurs?
the OS handles it by writing a page fault interrupt handler. The first thing the page fault handler will need to do is to determine the address of the page fault; you can find out this address by calling the Get_Page_Fault_Address() function (prototype in . Also, the errorCode field of theInterrupt_State data structure passed to the page fault interrupt handler contains information about the faulting access. This information is defined in the faultcode_t data type defined in. Once the fault address and fault code have been obtained, the page fault handler will need to determine an appropriate action to take
What actions are taken by operating system when page fault occurs with diagram?
the OS handles it by writing apage fault interrupt handler. The first thing the page fault handler will need to do is to determine the address of the page fault; you can find out this address by calling theGet_Page_Fault_Address()function (prototype in. Also, theerrorCodefield of theInterrupt_Statedata structure passed to the page fault interrupt handler contains information about the faulting access. This information is defined in thefaultcode_tdata type defined in. Once the fault address and fault code have been obtained, the page fault handler will need to determine an appropriate action to takeRate This Answer
What is a page fault?
A page fault is an alert, such as an interrupt or exception, which indicates that a page of memory was accessed without being loaded.
What fault occurs at convergent boundarys?
A reverse fault
How are page faults handled?
When a page fault occurs, the hardware cannot do anything else with the instruction that caused the page fault and thus it must transfer control to an operating system routine (this is the page fault handler). The page fault handler must then decide how to handle the page fault. It can do one of two things:- It can decide the virtual address is just simply not valid. In this case, Windows will report this error back by indicating an exception has occurred (typically STATUS_ACCESS_VIOLATION)- It can decide the virtual address is valid. In this case, Windows will find an available physical page, place the correct data in that page, update the virtual-to-physical page translation mechanism and then tell the hardware to retry the operation. When the hardware retries the operation it will find the page translation and continue operations as if nothing had actually happened.
What fault occurs at a convergent boundary.?
A reverse fault
