25. A system implements a paged virtual address space for each process using a one-level page table. The maximum size of virtual address space is 16MB. The page table for the running process includes the following valid entries (the → notation indicates that a virtual page maps to the given page frame; that is, it is located in that frame): virtual page 2 → page frame 4 virtual page 4 → page frame 9 virtual page 1 → page frame 2 virtual page 3 → page frame 16 virtual page 0 → page frame 1 The page size is 1024 bytes and the maximum physical memory size of the machine is 2MB. a) How many bits are required for each virtual address? b) How many bits are required for each physical address? c) What is the maximum number of entries in a page table? d) To which physical address will the virtual address OX5F4 translate? e) Which virtual address will translate to physical address 0x400?

25. A system implements a paged virtual address space for each process using a one-level page table. The maximum size of virtual address space is 16MB. The page table for the running process includes the following valid entries (the → notation indicates that a virtual page maps to the given page frame; that is, it is located in that frame): virtual page 2 → page frame 4 virtual page 4 → page frame 9 virtual page 1 → page frame 2 virtual page 3 → page frame 16 virtual page 0 → page frame 1 The page size is 1024 bytes and the maximum physical memory size of the machine is 2MB. a) How many bits are required for each virtual address? b) How many bits are required for each physical address? c) What is the maximum number of entries in a page table? d) To which physical address will the virtual address OX5F4 translate? e) Which virtual address will translate to physical address 0x400?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

HELP WITH PART D AND E PLEASE! Please bold the answers.

25. A system implements a paged virtual address space for each process using a one-level
page table. The maximum size of virtual address space is 16MB. The page table for
the running process includes the following valid entries (the → notation indicates that
a virtual page maps to the given page frame; that is, it is located in that frame):
virtual page 2 → page frame 4
virtual page 4 → page frame 9
virtual page 1 → page frame 2
virtual page 3 → page frame 16
virtual page 0 → page frame 1
The page size is 1024 bytes and the maximum physical memory size of the machine
is 2MB.
a) How many bits are required for each virtual address?
b) How
many
bits are required for each physical address?
c) What is the maximum number of entries in a page table?
d) To which physical address will the virtual address OX5F4 translate?
e) Which virtual address will translate to physical address Ox400?

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