Fundamentals of Information Systems
9th Edition
ISBN: 9781337097536
Author: Ralph Stair, George Reynolds
Publisher: Cengage Learning
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Chapter 2, Problem 7.1CTQ
What risks and start-up issues are associated with the use of any new software that is designed to replace manual procedures?
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9. Let L₁=L(ab*aa), L₂=L(a*bba*). Find a regular expression for (L₁ UL2)*L2.
10. Show that the language
is not regular.
L= {a":n≥1}
11. Show a derivation tree for the string aabbbb with the grammar
S→ABλ,
A→aB,
B→Sb.
Give a verbal description of the language generated by this grammar.
Chapter 2 Solutions
Fundamentals of Information Systems
Ch. 2 - Identify and briefly describe the functions of the...Ch. 2 - Prob. 2LOCh. 2 - Prob. 3LOCh. 2 - Prob. 4LOCh. 2 - Prob. 5LOCh. 2 - Define the term ‘sphere of influence,” and...Ch. 2 - Prob. 7LOCh. 2 - Prob. 8LOCh. 2 - Identify programming languages commonly in use...Ch. 2 - Identify several key software issues and trends...
Ch. 2 - Prob. 1.1RQCh. 2 - Prob. 1.2RQCh. 2 - Prob. 1.1CTQCh. 2 - Prob. 1.2CTQCh. 2 - Prob. 2.1RQCh. 2 - Prob. 2.2RQCh. 2 - Prob. 2.1CTQCh. 2 - Prob. 2.2CTQCh. 2 - Prob. 3.1RQCh. 2 - Prob. 3.2RQCh. 2 - Prob. 3.1CTQCh. 2 - Prob. 3.2CTQCh. 2 - Prob. 4.1RQCh. 2 - Prob. 4.2RQCh. 2 - Prob. 4.1CTQCh. 2 - Prob. 4.2CTQCh. 2 - Prob. 5.1RQCh. 2 - Prob. 5.2RQCh. 2 - Prob. 5.1CTQCh. 2 - Prob. 5.2CTQCh. 2 - Prob. 6.1RQCh. 2 - Prob. 6.2RQCh. 2 - Prob. 6.1CTQCh. 2 - Prob. 6.2CTQCh. 2 - What is the primary difference between purchasing...Ch. 2 - What are the pros and cons of using open-source...Ch. 2 - What risks and start-up issues are associated with...Ch. 2 - Prob. 7.2CTQCh. 2 - The computer hardware industry is rapidly changing...Ch. 2 - Prob. 2SATCh. 2 - Prob. 3SATCh. 2 - Prob. 4SATCh. 2 - Prob. 5SATCh. 2 - Prob. 6SATCh. 2 - Prob. 7SATCh. 2 - Prob. 8SATCh. 2 - Prob. 9SATCh. 2 - Prob. 10SATCh. 2 - Prob. 11SATCh. 2 - Prob. 12SATCh. 2 - Prob. 13SATCh. 2 - Prob. 14SATCh. 2 - Prob. 15SATCh. 2 - Prob. 16SATCh. 2 - Prob. 17SATCh. 2 - Prob. 18SATCh. 2 - Prob. 19SATCh. 2 - Prob. 20SATCh. 2 - Prob. 21SATCh. 2 - Prob. 22SATCh. 2 - Identify four fundamental components of every...Ch. 2 - Prob. 2RQCh. 2 - Prob. 3RQCh. 2 - Prob. 4RQCh. 2 - Prob. 5RQCh. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Prob. 8RQCh. 2 - Identify and briefly describe the various classes...Ch. 2 - Prob. 10RQCh. 2 - Prob. 11RQCh. 2 - Identify and briefly discuss the three spheres of...Ch. 2 - Prob. 13RQCh. 2 - Prob. 14RQCh. 2 - Prob. 15RQCh. 2 - Prob. 16RQCh. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - Distinguish between proprietary software and...Ch. 2 - Prob. 20RQCh. 2 - Prob. 21RQCh. 2 - Prob. 22RQCh. 2 - Prob. 23RQCh. 2 - Prob. 1DQCh. 2 - Prob. 2DQCh. 2 - Prob. 3DQCh. 2 - Prob. 4DQCh. 2 - Prob. 5DQCh. 2 - Prob. 6DQCh. 2 - Prob. 7DQCh. 2 - Prob. 8DQCh. 2 - Assume that you must take a computer-programming...Ch. 2 - Prob. 10DQCh. 2 - Prob. 11DQCh. 2 - Prob. 12DQCh. 2 - Prob. 13DQCh. 2 - Prob. 14DQCh. 2 - Prob. 15DQCh. 2 - Prob. 1PSECh. 2 - Prob. 2PSECh. 2 - Prob. 3PSECh. 2 - Prob. 1WECh. 2 - Prob. 2WECh. 2 - Prob. 3WECh. 2 - Prob. 1CECh. 2 - Prob. 2CECh. 2 - Prob. 3CECh. 2 - Prob. 1.1CSCh. 2 - Prob. 1.2CSCh. 2 - Prob. 1.3CSCh. 2 - Prob. 2.1CSCh. 2 - Prob. 2.2CSCh. 2 - Prob. 2.3CS
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- 14. Show that the language L= {wna (w) < Nь (w) < Nc (w)} is not context free.arrow_forward7. What language is accepted by the following generalized transition graph? a+b a+b* a a+b+c a+b 8. Construct a right-linear grammar for the language L ((aaab*ab)*).arrow_forward5. Find an nfa with three states that accepts the language L = {a^ : n≥1} U {b³a* : m≥0, k≥0}. 6. Find a regular expression for L = {vwv: v, wЄ {a, b}*, |v|≤4}.arrow_forward
- 15. The below figure (sequence of moves) shows several stages of the process for a simple initial configuration. 90 a a 90 b a 90 91 b b b b Represent the action of the Turing machine (a) move from one configuration to another, and also (b) represent in the form of arbitrary number of moves.arrow_forward12. Eliminate useless productions from Sa aA BC, AaBλ, B→ Aa, C CCD, D→ ddd Cd. Also, eliminate all unit-productions from the grammar. 13. Construct an npda that accepts the language L = {a"b":n≥0,n‡m}.arrow_forwardYou are given a rope of length n meters and scissors that can cut the rope into any two pieces. For simplification, only consider cutting the rope at an integer position by the meter metric. Each cut has a cost associated with it, c(m), which is the cost of cutting the rope at position m. (You can call c(m) at any time to return the cost value.) The goal is to cut the rope into k smaller pieces, minimizing the total cost of cutting. B Provide the pseudo-code of your dynamic programming algorithm f(n,k) that will return the minimum cost of cutting the rope of length n into k pieces. Briefly explain your algorithm. What is the benefit of using dynamic programming for this problem? What are the key principles of dynamic programming used in your algorithm?arrow_forward
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