Computer Science: An Overview (13th Edition) (What's New in Computer Science)
13th Edition
ISBN: 9780134875460
Author: Glenn Brookshear, Dennis Brylow
Publisher: PEARSON
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Chapter 12, Problem 11CRP
Program Plan Intro
Bare Bones:
The object of Bare Bone is to develop the simplest language possible. The presentation of Bare Boner is done by considering the variables which have been found in
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Fill out the table for executing the polynomial-time dynamic programming algo-
rithm for deciding whether the string 1001 is in the context-free language generated by the
following CFG. Fill the table completely-do not stop the algorithm early. (Note: This CFG
is not quite in Chomsky Normal Form since A appears on the right-hand side of a rule, but
|the same algorithm still works.)
A + BC | CC
B + BA | 0
с + АВ | Вв | 1
Quiz Instructions and Question: Show and explain/justify your answer and all the steps used to derive it. This should be
a formal proof. Use a proof by construction with generalized state diagrams.
1. Prove that regular languages are closed under the star-closure operation.
. Prove that the intersection of two context-free languages is not necessarily context-free. This is unlike the
case of regular languages which are closed under intersections. Hint: Do something similar to what we did on
Activity #21 to show something about two of the languages below and then use what we proved in class about
the remaining language. Write several sentences to explain your reasoning.
L₁ = {ww has the form a"b"c" for some whole numbers n and m}
L2 = {ww has the form amb"c" for some whole numbers n and m}
L3 = {w|w has the form a"b"c" for some whole number n}
Chapter 12 Solutions
Computer Science: An Overview (13th Edition) (What's New in Computer Science)
Ch. 12.1 - Prob. 1QECh. 12.1 - Prob. 2QECh. 12.1 - Prob. 3QECh. 12.1 - Prob. 4QECh. 12.2 - Prob. 1QECh. 12.2 - Prob. 2QECh. 12.2 - Prob. 3QECh. 12.2 - Prob. 4QECh. 12.2 - Prob. 5QECh. 12.3 - Prob. 1QE
Ch. 12.3 - Prob. 3QECh. 12.3 - Prob. 5QECh. 12.3 - Prob. 6QECh. 12.4 - Prob. 1QECh. 12.4 - Prob. 2QECh. 12.4 - Prob. 3QECh. 12.5 - Prob. 1QECh. 12.5 - Prob. 2QECh. 12.5 - Prob. 4QECh. 12.5 - Prob. 5QECh. 12.6 - Prob. 1QECh. 12.6 - Prob. 2QECh. 12.6 - Prob. 3QECh. 12.6 - Prob. 4QECh. 12 - Prob. 1CRPCh. 12 - Prob. 2CRPCh. 12 - Prob. 3CRPCh. 12 - In each of the following cases, write a program...Ch. 12 - Prob. 5CRPCh. 12 - Describe the function computed by the following...Ch. 12 - Describe the function computed by the following...Ch. 12 - Write a Bare Bones program that computes the...Ch. 12 - Prob. 9CRPCh. 12 - In this chapter we saw how the statement copy...Ch. 12 - Prob. 11CRPCh. 12 - Prob. 12CRPCh. 12 - Prob. 13CRPCh. 12 - Prob. 14CRPCh. 12 - Prob. 15CRPCh. 12 - Prob. 16CRPCh. 12 - Prob. 17CRPCh. 12 - Prob. 18CRPCh. 12 - Prob. 19CRPCh. 12 - Analyze the validity of the following pair of...Ch. 12 - Analyze the validity of the statement The cook on...Ch. 12 - Suppose you were in a country where each person...Ch. 12 - Prob. 23CRPCh. 12 - Prob. 24CRPCh. 12 - Suppose you needed to find out if anyone in a...Ch. 12 - Prob. 26CRPCh. 12 - Prob. 27CRPCh. 12 - Prob. 28CRPCh. 12 - Prob. 29CRPCh. 12 - Prob. 30CRPCh. 12 - Prob. 31CRPCh. 12 - Suppose a lottery is based on correctly picking...Ch. 12 - Is the following algorithm deterministic? Explain...Ch. 12 - Prob. 34CRPCh. 12 - Prob. 35CRPCh. 12 - Does the following algorithm have a polynomial or...Ch. 12 - Prob. 37CRPCh. 12 - Summarize the distinction between stating that a...Ch. 12 - Prob. 39CRPCh. 12 - Prob. 40CRPCh. 12 - Prob. 41CRPCh. 12 - Prob. 42CRPCh. 12 - Prob. 43CRPCh. 12 - Prob. 44CRPCh. 12 - Prob. 46CRPCh. 12 - Prob. 48CRPCh. 12 - Prob. 49CRPCh. 12 - Prob. 50CRPCh. 12 - Prob. 51CRPCh. 12 - Prob. 52CRPCh. 12 - Prob. 1SICh. 12 - Prob. 2SICh. 12 - Prob. 3SICh. 12 - Prob. 4SICh. 12 - Prob. 5SICh. 12 - Prob. 6SICh. 12 - Prob. 7SICh. 12 - Prob. 8SI
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- According to Wikipedia, it makes the language "sweeter" for human use: things can be expressed more clearly, more concisely, or in an alternative style that some may prefer. Out of the list below, which is/are the example(s) of "syntactic sugar" given in class? I. Use of for-loop instead of while-loop to avoid forgetting the counter increment II. If r1 and r2 are Rat objects, we want to write r1 + r2 instead of r1.operator+(r2) III. Use of the "[]" to get to elements of an array IV. Use of *(a+i) instead of a[i]. Answer choices: a.) I + III + IV only b. ) II + IV only c.) I only d.)I + II + III only e.) none f.)II + III only g.)I + II + IV only h.)I + II only i.)II + IV onlyarrow_forwardDraw NFA for the language L={ anb | n≥5 } defined over Σ={a,b}. Implement it using LEX/FLEX and YACC/BISON. Test it with the strings ab, aaaaab, aabb, aaaaaaab and aaaaaabb. Give the source code and the runtime screen with compilation and execution steps. course name compiler constructionsiarrow_forwardDesign FSMs that will recognise the following languages. Some of these languagesare given simply as sets of strings (and hence there should be no doubt what themachine must recognise). Others are described using English, and there may wellbe a lack of clarity in these descriptions. You should make clear any assumptionsthat you have made in interpreting what the machine needs to do. The alphabetfor all the machines is {x,y, z}.1. {xy, xz}.2. Two x symbols followed by one y and zero or more zs.3. {xxy, xzy, xy}.4. At least one x followed by exactly one y followed by zero or more zs.arrow_forward
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