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Computer Engineering
Mr. David spends his spare time on different social blogs. He subscribed to different blog sites and read the contents of the topics he finds interesting. However, the social contents are usually updated frequently and so Mr. David would like to receive notifications of any changes made on the contents that he read in the past.

Mr. David spends his spare time on different social blogs. He subscribed to different blog sites and read the contents of the topics he finds interesting. However, the social contents are usually updated frequently and so Mr. David would like to receive notifications of any changes made on the contents that he read in the past.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Mention the design pattern that is applicable and the reason in details please

Mr. David spends his spare time on different social blogs. He subscribed to different blog P3 sites and read the contents of the topics he finds interesting. However, the social contents are usually updated frequently and so Mr. David would like to receive notifications of any changes made on the contents that he read in the past.
Transcribed Image Text:Mr. David spends his spare time on different social blogs. He subscribed to different blog P3 sites and read the contents of the topics he finds interesting. However, the social contents are usually updated frequently and so Mr. David would like to receive notifications of any changes made on the contents that he read in the past.
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