Computer Science: An Overview (12th Edition)
12th Edition
ISBN: 9780133760064
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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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}
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 only
Chapter 12 Solutions
Computer Science: An Overview (12th Edition)
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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- 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 | 1arrow_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_forwardProve that the following language is not context free.arrow_forward
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- Fill out the table for executing the polynomial-time dynamic programming algorithm 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 C → AB | BB | 1arrow_forwardAutomata subject? Question: Create R.E for a language defined over Σ={a, b} having even number of a’s and even number of b’s.arrow_forwardAnswer with proper explanation and step by step solution. Question: Write a denotational semantics mapping function for java for loop Please explain and everystep!!!arrow_forward
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