9. In a paging system , the logical address is formed of 20 bits. the most significant 8 bits denote the page number, the least significant 12 bits denote the offset. Memory size is 256K bits. a. What is the page size (in bits)? b. What is the maximum number of pages per process? c. How many frames does this system have?
9. In a paging system , the logical address is formed of 20 bits. the most significant 8 bits denote the page number, the least significant 12 bits denote the offset. Memory size is 256K bits. a. What is the page size (in bits)? b. What is the maximum number of pages per process? c. How many frames does this system have?
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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Computer Science
9. In a paging system , the logical address is formed of 20 bits. the most significant 8 bits denote the page number, the least significant 12 bits denote the offset. Memory size is 256K bits.
a. What is the page size (in bits)?
b. What is the maximum number of pages per process?
c. How many frames does this system have? d
. Give the structure of the page table of a process executing in this system. Assume 2 bits are reserved for attributes.
e. How many bits are required for each page table entry?
f. If physical memory is upgraded to 1024 K bits, how will your answer to c and e change?
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