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Question

Which is true about TLB?

1- Tag in TLB contains a virtual page number and each data entry of TLB holds a physical page number.

2- TLB miss on page fault requires a exception mechanism.

3- TLB miss can be handled either in hardware or in software..

answer: all are correct

doubt: i m not getting how third stmt is correct

Comments

It's true . Raise interrupt for software . For hardware CPU can do the page table walk.

https://en.wikipedia.org/wiki/Translation_lookaside_buffer

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