Q. The control register that is used as page directory physical base address register is

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Q. The bits of CR3, that are always zero are

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Q. Each directory entry in page directory is maximum of

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Q. The size of each page table is of

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Q. The dirty bit(D) is set, before which operation is carried out

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Q. The bit that is undefined for page directory entries is

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Q. The bit that is used for providing protection is

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Q. The storage of 32 recently accessed page table entries to optimize the time, is known as

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Q. The page table cache is also known as

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Q. If the 80386 enters the protected mode from the real address mode, then it returns back to the real mode, by performing the operation of

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Q. The unit that is needed for virtual mode 80386, only to run the 8086 programs, which require more than 1 Mbyte of memory for memory management functions, is

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Q. The number of pages that the paging unit allows, in the virtual mode of 80386 is

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Q. The privilege level at which the real mode programs are executed is

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Q. The instructions to prepare the processor for protected mode can only be executed at the privilege level

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Q. The instruction that is unable to set or read the VM (Virtual Mode) bit is

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Q. If the CKM pin of 80387 is high, then 80387 is operated in

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Q. The unit that handles the data and directs it to either FIFO or instruction decoder depending on the bus control logic directive is

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Q. The unit that is responsible for carrying out all the floating point calculations, allotted to the coprocessor by 80386, is

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Q. The sizes of instruction and data pointer registers of 80387 respectively are

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Q. To inform 80387 that the CPU wants to communicate with NPS1, the NPS1 line is directly connected to

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