Computer Systems: A Programmer's Perspective (3rd Edition)
3rd Edition
ISBN: 9780134092669
Author: Bryant, Randal E. Bryant, David R. O'Hallaron, David R., Randal E.; O'Hallaron, Bryant/O'hallaron
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 12.5, Problem 12.10PP
Program Plan Intro
Given:
Refer figure 12.26, it gives solution to the first readers-writers problem. This solution gives importance to the readers, but this priority is weak in the logic that a writer leaving its critical section might resume a waiting writer instead of a waiting reader.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Problem (New-SAT)
Input: You are given a 3-SAT formula. A true value is considered as (+1) and a false value is considered (-1).
Question: Does there exist a truth-value assignment for each variable such that the sum of the three variables of each clause is between -1 and 1?
Show that the problem is NP-complete. Reduce an NP-hard problem from Section 12.13 (Other Useful NP-hard Problems).
Plot the orbit in 3D using a suitably dimensioned sphere for the Earth.
[6]: # YOUR CODE HERE
raise NotImplementedError()
Not Implemented Error
Cell In [6], line 2
1 # YOUR CODE HERE
----> 2 raise NotImplementedError()
Not ImplementedError:
Problem 1.6
Plot the Specific Energies (i.e., all three Kinetic, Potential and Total Energy) in the same plot as a function of time.
The x-axis must show time (in hours) and y axis must show the Energy (in km² /s²).
[7] # YOUR CODE HERE
Traceback (most recent call last)
raise NotImplementedError()
1.1) Write a short computer program to calculate Cy for an Einstein solid and show these results
as a graph of Cy/Nk vs. kT/e. Include three scenarios: The q > N limits and also
the more general case which is applicable for 'any" q.
Present your graph.
Chapter 12 Solutions
Computer Systems: A Programmer's Perspective (3rd Edition)
Ch. 12.1 - Prob. 12.1PPCh. 12.1 - Prob. 12.2PPCh. 12.2 - Practice Problem 12.3 (solution page 1036) In...Ch. 12.2 - Practice Problem 12.4 (solution page 1036) In the...Ch. 12.4 - Prob. 12.5PPCh. 12.4 - Prob. 12.6PPCh. 12.5 - Prob. 12.7PPCh. 12.5 - Prob. 12.8PPCh. 12.5 - Prob. 12.9PPCh. 12.5 - Prob. 12.10PP
Ch. 12.6 - Prob. 12.11PPCh. 12.7 - Prob. 12.12PPCh. 12.7 - Prob. 12.13PPCh. 12.7 - Prob. 12.14PPCh. 12.7 - Prob. 12.15PPCh. 12 - Prob. 12.20HWCh. 12 - Derive a solution to the second readers-writers...Ch. 12 - Prob. 12.22HWCh. 12 - Prob. 12.23HWCh. 12 - Prob. 12.24HWCh. 12 - Prob. 12.25HWCh. 12 - Prob. 12.26HWCh. 12 - Some network programming texts suggest the...Ch. 12 - Prob. 12.28HWCh. 12 - Prob. 12.29HWCh. 12 - Prob. 12.30HWCh. 12 - Implement a version of the standard I/O fgets...Ch. 12 - Prob. 12.32HWCh. 12 - Prob. 12.33HWCh. 12 - Prob. 12.34HWCh. 12 - Prob. 12.35HWCh. 12 - Prob. 12.36HWCh. 12 - Prob. 12.37HWCh. 12 - Prob. 12.38HWCh. 12 - Prob. 12.39HW
Knowledge Booster
Similar questions
- 1.1 Here are the rules of a very simple impartial combinatorial game of removing chips from a pile of chips.(1) There are two players. We label them I and II.(2) There is a pile of 21 chips in the center of a table.(3) A move consists of removing one, two, or three chips from the pile. At least one chip must be removed, but no more than three may be removed.(4) Players alternate moves with Player I starting.(5) The player that removes the last chip wins. (The last player to move wins. If you can’t move, you lose.)How can we analyze this game? Can one of the players force a win in this game? Which player would you rather be, the player who starts or the player who goes second? What is a good strategy?arrow_forwardGive a complete problem formulation for each of the following problems. Choose a formulation that is precise enough to be implemented. d. A container ship is in port, loaded high with containers. There 13 rows of containers, each 13 containers wide and 5 containers tall. You control a crane that can move to any location above the ship, pick up the container under it, and move it onto the dock. You want the ship unloaded.arrow_forwardProblem No.1 Given: Eight (8) Queens and 8 x 8 chess board Goal: Arrange the 8 Queens in the 8 x 8 chess board as given in the layout above such that only one (1) Queen will be placed in any column, row, and diagonal/s. That is, no two or more Queens are placed in any column, row, and diagonal/s. Solve the problem set by the giving the solution, which is the sequence of steps, that will satisfy the goal. NOTE: The respective Queens are move in their column location only. For example, QA is move along column A, QB column B, and so on. However, you need to give the remaining moves to attain the required goal. Set the column labels from left to right A, B, C, D, E, F, G, and H, respectively. Set the row labels from top to bottom 8, 7, 6, 5, 4, 3, 2, and 1, respectively.arrow_forward
- 1.2 Here are the rules of another impartial combinatorial game of removing chips from a pile of chips. (1) There are two players. We label them I and II. (2) There is a pile of 100 chips in the center of a table. (3) A move consists of removing one, three, or four chips from the pile. At least one chip must be removed, two chips may not be removed, and no more than four may be removed. (4) Players alternate moves with Player I starting. (5) The player that removes the last chip wins. (The last player to move wins. If you can’t move, you lose.) How can we analyze this game? Can one of the players force a win in this game? Which player would you rather be, the player who starts or the player who goes second? What is a good strategy?arrow_forwardProblem (Konigsberg Bridge Problem Updated): In Konigsberg, there are two additional bridges, besides the seven that were present in the eighteenth century. These new bridges connect regions B and C and regions B and D, respectively. 1. Check whether it is possible to start from one region, visit all regions, and return to the starting point while visiting each region exactly once. 2. Is it possible to cross all nine bridges in Konigsberg exactly once and return to the starting point? Good Luck!arrow_forwardAssignment problem (Hungarian Method) · Example 2: A construction company has four large bulldozers located at four different garages. The bulldozers are to be moved to four different construction sites. The distances in miles between the bulldozers and the construction sites %3D are given below. Bulldozer/ A В C D Site Students 1 90 75 75 80 solve it yourself 2 35 85 55 65 3 125 95 90 105 4 45 110 95 115 How should the bulldozers be moved to the construction sites in order to minimize the total distance traveled?arrow_forward
- نقطتان )2( The correct choice to draw the Arc between points (120,120) and (180,120) is 50,220 120,220 180,220 250,220 50,190 150,200 250,190 60,170 240,170 50,150 150,140 250,150 50,120 120,120 180, 120 250,120 Draw -> Arc -> 3 Points (120,120) -> -> (180,120) -> (150,140) Draw -> Arc -> 3 Points -> (120,120) -> (150,120) -> (180,120) Draw -> Arc -> 3 Points -> (180,120) -> (120,120) -> (150,140) -> Arc -> 3 Points -> (120,120) -> (150,140) -> (180,120) Draw Draw -> Arc -> 3 Points -> (180,120) -> (150,120) -> (120,120)arrow_forwardJin Mori is like any other student who loves sleeping. Jin Taejin, his grandfather, imposes a waking schedule that Jin Mori must follow to avoid tardiness at his school. The schedule stated that on weekdays, Mori must be awake at "7:00" and at "10:00" at weekends. Taejin added an exemption for their school vacation. If it is their school vacation, the schedule is "10:00" for weekdays and "off" for weekends. If Jin will not follow the schedule, he is not allowed to practice his favorite martial art, taekwondo. Your job is to create a program that will serve as the alarm clock for Jin Mori. Expected Output: Test Case 1: Vacation: False Day: Monday Alarm Time: 7:00 Awake: Yes Be ready for your practice Mori! Test Case 2: (input) (input) (auto generated) (input) Vacation: False Day: Saturday Alarm Time: 10:00 Awake: No (input) (input) (auto generated) (input) You are not allowed to practice your taekwondo!arrow_forwardExercise 10 (This is the rod cutting problem from Section 15.1 in the textbook.) Design a dynamic programming algorithm for the following problem. A rod has length n and a segment of length i costs p[i] dollars. The costs p[i] are known for all i = 1,..., n. The problem is to determine what is the maximum revenue a company can obtain by cutting the rod and selling the segments obtained after the cutting. For the dynamic programming solution, we define the subproblems r[i] =max revenue by cutting a rod of length i. (a) How much is r[0]? (b) Give a recurrence formula that calculates r[i] as a function of r[j], for jarrow_forwardIntroduction There is some bad news to be delivered, and X has taken on the dangerous mission. Nobody really wants to be the one to take the news; the way goes through enemy territory and, even if the messenger gets through, the classic fate of the bearer of bad news may be waiting. (Let's just say, this is how the phrase "Don't shoot the messenger" became relevant.) To determine which messenger will be sent, X sits all of his messengers down in a circle, selects a number, and starts to count off. Messengers are allowed to leave the circle one by one, and the last messenger left is the one who will deliver the bad news. The counting off procedure is slightly unusual, however, because it is actually the messenger after the last one counted who gets to leave the circle. Consider the following example with 5 messengers, in which the number selected for counting off is 7. We'll start at the "head" of the list and move forward. Since it is circular, the "head" simply refers to whatever the…arrow_forward(“A Gentle Introduction to Optimization”, by B. Guenin, J. K ̈onemann and L. Tun ̧cel, Cam-bridge University Press, 2014) A chemical plant produces a noxious byproduct, called Chem-ical X, that is highly toxic and needs to be disposed of properly. The chemical plant isconnected by a pipe system to a recycling plant that can safely process Chemical X. Theamount of Chemical X produced in each hour of the day, according to a standard day’s pro-duction schedule, is shown in Table 1 (Chemical X is not produced in any hour omitted inthe table).Table 1: Amount of Chemical X produced during each of the day.Time interval 9-10am 10-11am 11am-12pm 12-1pm 1-2pm 2-3pmChemical X (litres) 300 240 600 200 300 900The chemical plant has a storage capacity of 1000 litres for Chemical X, and, for environmentalsafety reasons, no Chemical X can be kept, unprocessed, overnight at the chemical plant.The cost for the recycling plant to process Chemical X varies throughout the day, as given inTable 2.Table 2:…arrow_forwardProblem 1. - Expenditure Cycle Walker Books, Inc. (Manual System withMinimal PC Support) Purchases System The purchases process begins with the purchasing agent, who monitors the levels of books available via a computer terminal listing current inventory. Upon noticing deficiencies in inventory levels, the agent manually generates four hard copies of a purchase order: one is sent to accounts payable, one is sent to the vendor, one is sent to the receiving department, and the last is filed within the department. Vendors will generally ship the products within five business days of the order. When goods arrive in the receiving department, the corresponding packing slip always accompanies them. The receiving department clerk unloads the goods and then reconciles the packing slip with the purchase order. After unloading the goods, the clerk manually prepares three hard copies of the receiving report. One copy goes with the goods to the warehouse, another is sent to the purchasing…arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
Recommended textbooks for you
- Database System ConceptsComputer ScienceISBN:9780078022159Author:Abraham Silberschatz Professor, Henry F. Korth, S. SudarshanPublisher:McGraw-Hill EducationStarting Out with Python (4th Edition)Computer ScienceISBN:9780134444321Author:Tony GaddisPublisher:PEARSONDigital Fundamentals (11th Edition)Computer ScienceISBN:9780132737968Author:Thomas L. FloydPublisher:PEARSON
- C How to Program (8th Edition)Computer ScienceISBN:9780133976892Author:Paul J. Deitel, Harvey DeitelPublisher:PEARSONDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781337627900Author:Carlos Coronel, Steven MorrisPublisher:Cengage LearningProgrammable Logic ControllersComputer ScienceISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
Database System Concepts
Computer Science
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:9780134444321
Author:Tony Gaddis
Publisher:PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:9780132737968
Author:Thomas L. Floyd
Publisher:PEARSON
C How to Program (8th Edition)
Computer Science
ISBN:9780133976892
Author:Paul J. Deitel, Harvey Deitel
Publisher:PEARSON
Database Systems: Design, Implementation, & Manag...
Computer Science
ISBN:9781337627900
Author:Carlos Coronel, Steven Morris
Publisher:Cengage Learning
Programmable Logic Controllers
Computer Science
ISBN:9780073373843
Author:Frank D. Petruzella
Publisher:McGraw-Hill Education