4. Figure 1 shows an approach for memory management. (a) Does the approach (shown in Figure 1) cause any external fragmentation? justify with one sentence (b) list the names of four replacement algorithms.

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
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4. Figure 1 shows an approach for memory management. (a) Does the approach (shown in
(b) list
Figure 1) cause any external fragmentation? justify with one sentence
the names of four replacement algorithms.
Virtual address
Seg # Page # Offset
Program
Seg table ptr
Seg #
Segment
table
I
Frame # Offset
Page #
Page
table
Offset
Segmentation
mechanism
Figure 1. An approach for memory management.
Paging
mechanism
Page
frame
Main memory
Transcribed Image Text:4. Figure 1 shows an approach for memory management. (a) Does the approach (shown in (b) list Figure 1) cause any external fragmentation? justify with one sentence the names of four replacement algorithms. Virtual address Seg # Page # Offset Program Seg table ptr Seg # Segment table I Frame # Offset Page # Page table Offset Segmentation mechanism Figure 1. An approach for memory management. Paging mechanism Page frame Main memory
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