Recent questions tagged demand-paging

A demand-paging system has $3$ physical page frames.Consider the reference string:$\text{A, B, C, D, B, A, B, A, D, C}$Starting with empty memory, determine the total num...

Suppose a $32K \times 8K$ matrix $A$ with $1$-byte elements is stored in row-major order in virtual memory.Assume:Only this program occupies physical memory. The matrix b...

An operating system can use page tables and exceptions to perform allocation on demand, where it does not allocate physical memory for a program until the program tries t...

​Consider a demand paging system with three frames, and the following page reference string: 1 2 3 4 5 4 1 6 4 5 1 3 2 . The contents of the frames are as follows initial...

Consider a demand paging memory management system with $32$-bit logical address, $20$-bit physical address, and page size of $2048$ bytes. Assuming that the memory is byt...

Consider a demand-paging system with a paging disk that has an average access and transfer time of 20 milliseconds. Addresses are translated through a page table in main ...

On a system using demand paging, it takes 200 ns to satisfy a memory request if the page is in memory. If the page is not in memory, the request takes 7 ms if a free fram...

On a system using demand - paged memory, it takes 120 ns to satisfy a memory request if the page is in memory. If the page is not in memory, the request takes 5 ms. What ...

Given a byte addressable system which implements demand paging, a TLB has 64 entries and the frame size is 4KB. The LAS is 4MB. TLB has a hit ratio of 90% and has an acce...

The address sequence generated by tracing a particular program executing in a pure demand paging system with $100$ records per page, with $1$ free main memory frame is re...

The address sequence generated by tracing a particular program executing in a pure demand paging system with $100$ records per page, with $1$ free main memory frame is re...

Consider the following extract from a program, written in a C-like language, that computes the transpose of a matrix.for (i=0; i<N; i++) for (j=0; j<N; j++) B[i,j]=A[i,j]...