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: PEARSON
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QUESTION 1
Given is an NFA below. In the context of converting this NFA to a regular expression, follow the following steps
start
1
.
A
2
3
A
b
4
Step 1. insert a new start state S and add an edge (S,1) labeled A
Step 2. insert a new final state f and an edge (5,f) labeled A
• Step 3: Remove state 4
• Step 4: Remove state 5
• Step 5: Remove state 2
• Step 6: Remove state 3
• Step 7: Remove state 1
What is the edge from 1 to f right after Step 5 ?
b*a*
a*b*
A
(ab)*
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Transcribed Image Text:QUESTION 1 Given is an NFA below. In the context of converting this NFA to a regular expression, follow the following steps start 1 . A 2 3 A b 4 Step 1. insert a new start state S and add an edge (S,1) labeled A Step 2. insert a new final state f and an edge (5,f) labeled A • Step 3: Remove state 4 • Step 4: Remove state 5 • Step 5: Remove state 2 • Step 6: Remove state 3 • Step 7: Remove state 1 What is the edge from 1 to f right after Step 5 ? b*a* a*b* A (ab)*
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