Introduction to Information Systems
7th Edition
ISBN: 9781119503491
Author: Rainer
Publisher: WILEY
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Question
Chapter 8, Problem 1OC
Program Plan Intro
Project Fi:
- It is a wireless service introduced by Google which provides mobile data to users with the combination of three mobile networks, Sprint, T-mobile and U.S Cellular.
- It carries a relationship with one of the largest cellular carriers “Three”.
- It provides services for more than 120 countries and also offers faster speed network for the people who are travelling abroad.
Expert Solution & Answer
Explanation of Solution
Working of Google’s Project Fi:
- Project Fi routes the customer’s data automatically and seamlessly between the available Wi-Fi networks and the 4G LTE (Long Term Evolution) networks of Sprint, T-Mobile and U.S. Cellular.
- The routing of network depends upon the strongest signal which is available in the user’s location.
- Project Fi operates on Google’s Nexus which allows wireless tethering setting the phone as a mobile Wi- Fi router allowing the laptop to use the phone’s data connection.
- Project Fi uses approximately 1 million free open Wi-Fi hotspots. Google has verified this network as fast as reliable.
- Project Fi uses encryption technique to protect the password and personal data of the users who are accessing the public Wi-Fi.
- It provides some services to the customers like call, text and check voice mail in their android devices. It also provides prepaid services to the customer which allows the user to pay only for the data they actually use.
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1) Apply the Paint Blue algorithm discussed in class to the following Finite Automata.
a
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b
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COIS-3050H-R-W01-2025WI-COMB Formal
Languages & Automata
a
b
Show the status of the Finite Automata at the conclusion of the Paint Blue Algorithm (mark the
visited states with an X and only include edges that have not been followed).
2) Use the pumping lemma to prove the following language is nonregular:
L= {ab} = {abbb, aabbbbbb, aaabbbbbbbbb, ...}
3) Find CFGs that for these regular languages over the alphabet Σ= {a, b}. Draw a Finite Automata
e CFG.
1
COIS-3050H-R-W01-2025WI-COMB Formal
anguages & Automata
Is that contain the substring aba.
(b) The language of all words that have an odd number letters and contains the string bb.
(c) The language of all words that begin with the substring ba and contains an odd number of
letters.
4) Convert the following FA into a PDA.
a
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Chapter 8 Solutions
Introduction to Information Systems
Ch. 8.1 - Prob. 8.1.1ITACh. 8.1 - Prob. 8.1.2ITACh. 8.1 - Prob. 8.1.3ITACh. 8.1 - Prob. 8.2.1ITACh. 8.1 - Prob. 8.2.2ITACh. 8.2 - Prob. 8.3.1ITACh. 8.2 - Prob. 8.3.2ITACh. 8.3 - Prob. 8.4.1ITACh. 8.3 - Prob. 8.4.3ITACh. 8.3 - Prob. 8.4.4ITA
Ch. 8.3 - Prob. 8.5.1ITACh. 8.3 - Prob. 8.5.2ITACh. 8.4 - Prob. 8.6.1ITACh. 8.4 - Prob. 8.6.2ITACh. 8.4 - Prob. 8.6.3ITACh. 8 - Prob. 1OCCh. 8 - Prob. 2OCCh. 8 - Prob. 1DQCh. 8 - Prob. 2DQCh. 8 - Prob. 3DQCh. 8 - Prob. 4DQCh. 8 - Prob. 5DQCh. 8 - Prob. 6DQCh. 8 - Prob. 7DQCh. 8 - Prob. 8DQCh. 8 - Prob. 9DQCh. 8 - Prob. 10DQCh. 8 - Prob. 11DQCh. 8 - Prob. 12DQCh. 8 - Prob. 13DQCh. 8 - Prob. 1PSACh. 8 - Prob. 2PSACh. 8 - Prob. 3PSACh. 8 - Prob. 4PSACh. 8 - Prob. 5PSACh. 8 - Prob. 6PSACh. 8 - Prob. 8PSACh. 8 - Prob. 11PSACh. 8 - Prob. 12PSACh. 8 - Prob. 1CCCh. 8 - Prob. 2CCCh. 8 - Prob. 3CCCh. 8 - Prob. 4CC
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