Q.No.8: In paging (given diagram), for CPU request there are two access time one for accessing page table and one for physical memory access. logical physical address 10000.0000 address a) How should we minimize CPU this access time? Redraw 11111...1111 the figure. b) Formulate the formula for Effective Access Time. c) Calculate the Effective Access Time (EAT) by assuming the Hit ratio (¤ ) 85% and 95%. physical memory Cache page table Access Time (ɛ) is 20 microsecond and Memory Access Time (T) is 100 microsecond.

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
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Q.No.8: In paging (given
diagram), for CPU request
there are two access time one
for accessing page table and
one for physical memory
access.
physical
address f0000..0000
logical
address
CPU
a) How should we minimize
this access time? Redraw
1111...1111
the figure.
b) Formulate the formula for
Effective Access Time.
c) Calculate
Access Time (EAT) by
assuming the Hit ratio (a )
the Effective
physical
memory
85% and 95%. Cache
page table
Access Time (ɛ) is 20
microsecond and Memory
Access Time (T) is 100
microsecond.
Transcribed Image Text:Q.No.8: In paging (given diagram), for CPU request there are two access time one for accessing page table and one for physical memory access. physical address f0000..0000 logical address CPU a) How should we minimize this access time? Redraw 1111...1111 the figure. b) Formulate the formula for Effective Access Time. c) Calculate Access Time (EAT) by assuming the Hit ratio (a ) the Effective physical memory 85% and 95%. Cache page table Access Time (ɛ) is 20 microsecond and Memory Access Time (T) is 100 microsecond.
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