8.13. In discussing a page replacement algorithm, one author makes an analogy with a snowplow moving around a circular track. Snow is falling uniformly on the track and a lone snowplow continually circles the track at constant speed. The snow that is plowed W the track disappears from the system. a. For which of the page replacement algorithms discussed in Section 8.2 is this a useful analogy? b. What does this analogy suggest about the behavior of the page replacement algo- rithm in question?

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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8.13. In discussing a page replacement algorithm, one author makes an analogy with a
snowplow moving around a circular track. Snow is falling uniformly on the track
and a lone snowplow continually circles the track at constant speed. The snow that is
plowed W the track disappears from the system.
a. For which of the page replacement algorithms discussed in Section 8.2 is this a
useful analogy?
b. What does this analogy suggest about the behavior of the page replacement algo-
rithm in question?
Transcribed Image Text:8.13. In discussing a page replacement algorithm, one author makes an analogy with a snowplow moving around a circular track. Snow is falling uniformly on the track and a lone snowplow continually circles the track at constant speed. The snow that is plowed W the track disappears from the system. a. For which of the page replacement algorithms discussed in Section 8.2 is this a useful analogy? b. What does this analogy suggest about the behavior of the page replacement algo- rithm in question?
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