Dirty bit is used to show the
Page that is modified after being loaded into cache memory
A dirty bit indicates that a page or cache block has been modified since it was loaded or last synchronized with backing storage. Under a write-back policy, a dirty block must be written back before eviction; the bit does not indicate corruption or access frequency.
Important Questions from Non Contiguous
If a memory partition of size 80k is allocated to a process of size 60k then the 20k of the partition is wasted and cannot be allocated to any process. It is called _______.
If main memory access time is 400 μs, TLB access time is 50 μs, considering TLB hit as 90%, what will be the overall access time?
Which of the following is NOT a base of product related segmentation?
The purpose of a page table in a paging system is to:
Consider a single-level page table system. with the page table stored in the memory. If the hit rate to TLB is 80%, and it takes 15 nanoseconds to search the TLB. and 150 nanoseconds to access the main memory, then what is the effective memory access time, in nanoseconds ?
