What is the Translation Lookaside Buffer?

1.	What is the Translation Lookaside Buffer?
Answer» TRANSLATION TLB (Transaction Look-aside Buffer) is a particular cache that keeps track of RECENTLY used transactions. The TLB includes the most recently used page table entries. The CPU analyses the TLB when given a VIRTUAL ADDRESS. The frame number is retrieved and the real address is created if a page table entry (TLB hit) is present. If a page table entry is missing from the TLB (TLB miss), the page number is used as an INDEX while processing the page table. The TLB first checks if the page is already in main memory; if it isn't, a page fault is generated, and the TLB is then modified to incorporate the new page entry.

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