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1. Provide an overview of the proposed system, including costs and benefits, with an explanation of the various cost-benefit types and categories. 2. Develop an economic feasibility analysis, using... What are the main security issues that New Century should address? Prepare a memo that lists the primary concerns and offers a specific recommendation for dealing with each issue. You implemented the... Consider the entries in Table 4.2 for the sawtooth and the triangular signals normalized in magnitude and period. Use their Fourier coefficients to obtain corresponding periodic signals that are... Write a program that displays the area and perimeter of a rectangle with the width of 4.5 and height of 7.9 using the following formula: area = width height The U.S. Census Bureau projects population based on the following assumptions: One birth every 7 seconds One death every 13 seconds One new immigrant every 45 seconds Write a program to display... The two roots of a quadratic equation ax 2 + bx + c = 0 can be obtained using the following formula: b 2 - 4ac is called the discriminant of the quadratic equation. If it is positive, the equation... Revise Listing 3.4, ComputeAndInterpretBMI.java, to let the user enter weight, feet, and inches. For example, if a person is 5 feet and 10 inches, you will enter 5 for feet and 10 for inches. Here is... Write a program that prompts the user to enter the number of students and each students name and score, and finally displays the student with the highest score and the student with the second-highest... Use nested loops that display the following patterns in four separate programs: Pattern B 12 3 4 5 6 2 3 4 5 123 4 Pattern D 1 2 3 4 5 6 12 3 4 5 123 4 Pattern A Pattern C 2 1 3 2 1 4 3 2 1 5 4 3 2 1... Write a program that prompts the user to enter the number of students, the students names, and their scores, and prints student names in decreasing order of their scores. Write a program that prints the characters in the ASCII character table from ! to ~. Display ten characters per line. The ASCII table is shown in Appendix B. Characters are separated by exactly one... Write a method that computes the commission, using the scheme in Programming Exercise 5.39 . The header of the method is as follows:public static double?computeCommission(double?salesAmount)Write a... Write a program that reads the integers between 1 and 100 and counts the occurrences of each. Assume the input ends with 0. Hereis a sample run of the program: If a number occurs more than one time,... Define a class named ComparableCircle that extends Circle and implements Comparable. Draw the UML diagram and implement the compareTo method to compare the circles on the basis of area. Write a test... Write a program that displays two circles with radius 10 at location (40, 40) and (120, 150) with a line connecting the two circles, as shown in Figure 15.28b. The distance between the circles is... Write the following two generic methods using bubble sort. The first method sorts the elements using the Comparable interface and the second uses the Comparator interface. public static void... Write a program that uses a pie chart to display the percentages of the overall grade represented by projects, quizzes, midterm exams, and the final exam, as shown in Figure 14.46c. Suppose that... Suppose that in a 0-1 knapsack problem, the order of the items when sorted by increasing weight is the same as their order when sorted by decreasing value. Give an efficient algorithm to find an... Show how to determine in O(n 2 lg n) time whether any three points in a set of n points are colinear. Prove that if p 1 p 2 is positive, then vector p 1 is clockwise from vector p 2 with respect to the origin (0, 0) and that if this cross product is negative, then p 1 is counterclockwise from p 2 . Prove that if x is a nontrivial square root of 1, modulo n, then gcd (x 1, n) and gcd (x + 1, n) are both nontrivial divisors of n. Draw a class inheritance diagram for the following set of classes: Class Goat extends Object and adds an instance variable tail and methods milk( ) and jump( ). Class Pig extends Object and adds an... Show the longest common subsequence array L for the two strings: X = "skullandbones" Y = "lullabybabies" What is a longest common subsequence between these strings? Programming Exercise 7.6 describes how to perform matrix multiplication. Suppose you have multiple processors, so you can speed up the matrix multiplication. Implement the following method in... Convert the number 101000101100 2 directly from binary to hexadecimal. Without looking at the original number, convert your answer directly back to binary and compare your final answer with the... Draw the recursion trace for the execution of method PuzzleSolve(3,S,U), from Code Fragment 5.11, where S is empty and U = {a,b,c,d}. Algorithm PuzzleSolve(k, S, U): Input: An integer k, sequence S,... The following questions refer to the tree of Figure 8.3.a. Which node is the root?b. What are the internal nodes?c. How many descendants does node cs016/ have?d. How many ancestors does node cs016/... Identify and briefly explain two different ways of configuring a multiprocessing system. Which configuration is more effective for general-purpose computing? Which configuration is more effective for... Create a JavaFX application for Paulas Portraits, a photography studio. The application allows users to compute the price of a photography session. Paulas base price is $40 for an in-studio photo... Input: A text string, using prompt. Output: Either "Valid name" or "Invalid name", depending on whether the input names fit the required format, which is Last name, first name, middle initial where... Function: no_zeros Parameter: An array of numbers. Result: The given array must be modified to remove all zero values. Returns: true if the given array included zero values; false otherwise. Write,... Function: first_vowel Parameter: A string. Returns: The position in the string of the leftmost vowel. Write, test, and debug (if necessary) JavaScript scripts for the problem that above. When... Open the VB2017\Chap06\FixIt Solution\FixIt Solution.sln file. Start the application. Click 20 in the Length combo box and then click 30 in the Width combo box. Click the Calculate area button, which... In this exercise, you modify the Check Digit application from this chapters Apply lesson. Use Windows to make a copy of the Check Digit Solution folder. Rename the copy Check Digit Solution-ForNext.... Are function names case sensitive? What is the difference between the downcase and downcase! methods? Write an HDL module for the traffic light controller from Section 3.4.1. What is the delay for the following types of 64-bit adders? Assume that each two-input gate delay is 150 ps and that a full adder delay is 450 ps. (a) a ripple-carry adder (b) a carry-lookahead adder... Write the following strings using ASCII encoding. Write your final answers in hexadecimal. (a) SOS (b) Cool! (c) (your own name) Repeat Exercise 6.3 for memory storage of a 32-bit word stored at memory word 15 in a byte-addressable memory.? Data from problem 3 Consider memory storage of a 32-bit word stored at memory word 42... The James River Jewelry Project Questions are available online for Appendix D, which can be downloaded from the textbook?s Web site: www.pearsonhighered.com/kroenke . The solutions for these... Let T be a heap storing n keys. Give an efficient algorithm for reporting all the keys in T that are smaller than or equal to a given query key x (which is not necessarily in T). For example, given... Answer the previous exercise assuming that we implement both the union-bysize and path compression heuristics. Consider the recurrence equation, Suppose that in an instance of the coins-in-a-line game the coins have the following values in the line: (9, 1, 7, 3, 2, 8, 9, 3). What is the maximum that the first player, Alice, can win, assuming... Let S = {a, b, c, d, e, f, g} be a collection of objects with benefit-weight values, a: (12, 4), b : (10, 6), c : (8, 5), d: (11, 7), e: (14, 3), f : (7, 1), g : (9, 6). What is an optimal solution... Suppose that CONTROL, a secret U.S. government counterintelligence agency based in Washington, D.C., has build a communication network that links n stations spread across the world using m... Suppose you are a manager in the IT department for the government of a corrupt dictator, who has a collection of computers that need to be connected together to create a communication network for his... Answer the following questions on the flow network N and flow f shown in Figure 16.6a: What are the forward and backward edges of augmenting path ? How many augmenting paths are there with respect to... Suppose an oracle has given you a magic computer, C, that when given any Boolean formula B in CNF will tell you in one step whether B is satisfiable. Show how to use C to construct an actual... Prove that the set of feasible solutions to a linear program with a nonempty feasible region is convex. All of the employees at Merks Sales are paid based on an annual salary rather than an hourly wage. However, some employees are paid weekly while others are paid every other week (biweekly). Weekly... Juan wants a program that calculates and displays the number of miles per gallon he drove his car on a recent trip. When he started the trip, the cars gas tank was full and its odometer read 5500.... Write the C++ code for a function that receives four items of information: three by value and one by reference. Each item has the double data type. Name the formal parameters num1, num2, num3, and... Create a program that displays a multiplication table similar to the one shown in Figure 7-51. If necessary, create a new project named Introductory20 Project, and save it in the Cpp8\Chap07 folder.... Which of the following is valid advice for naming variables? a. To save typing, make most variable names one or two letters. b. To avoid conflict with names that others are using, use unusual or... If necessary, create a new project named Introductory20 Project and save it in the Cpp8\Chap13 folder. Also create a new source file named Introductory20.cpp. Write a program that displays the... If necessary, create a new project named Intermediate23 Project and save it in the Cpp8\Chap13 folder. Also create a new source file named Intermediate23.cpp. Write a program that displays the color... Which of the following is true of structured logic? a. You can use structured logic with newer programming languages, such as Java and C#, but not with older ones. b. Any task can be described using... Choose a television game show such as Wheel of Fortune or Jeopardy! and describe its rules using a structured flowchart or pseudocode. A trivial Boolean expression is one that ______________. a. Is uses only two operands b. Always has the same value c. Is always true d. Is always false If d is true, e is false, and f is false, which of the following expressions is true? a. e OR f AND d b. f AND d OR e c. d OR e AND f d. two of the above Your downloadable files for Chapter 4 include DEBUG04-01.txt, DEBUG04-02.txt, and DEBUG04-03.txt. Each file starts with some comments that describe the problem. Comments are lines that begin with two... As compared to procedural programming, with object-oriented programming, ____________. a. The programmers focus differs b. You cannot use some languages, such as Java c. You do not accept input d.... In your own words, describe the steps to writing a computer program. Draw a flowchart or write pseudocode to represent the logic of a program that allows the user to enter a value. The program multiplies the value by 10 and outputs the result. a. Design a program for the Hollywood Movie Rating Guide, which can be installed in a kiosk in theaters. Each theater patron enters a value from 0 to 4 indicating the number of stars that the patron... Create the logic for a game that simulates rolling two dice by generating two numbers between 1 and 6 inclusive. The player chooses a number between 2 and 12 (the lowest and highest totals possible... Suppose that you have declared a numeric array named numbers, and two of its elements are numbers[1] and numbers[4]. You know that _________. a. The two elements hold the same value b. The array... A _________is a variable that can be set to indicate whether some event has occurred. a. Subscript b. Banner c. Counter d. Flag Trainers at Toms Athletic Club are encouraged to enroll new members. Write an application that allows Tom to enter the names of each of his 25 trainers and the number of new members the trainer has... Every file on a storage device has a ____________. a. Name b. Size c. Both of the above d. None of the above If necessary, create a new project named Introductory19 Project and save it in the Cpp8\Chap14 folder. Also create a new source file named Introductory19.cpp. Create a program that saves a companys... The process of _________ a file locates it on a storage device and associates a variable name within your program with the file. a. Declaring b. Closing c. Opening d. Defining When you write to a file, you ______________. a. Move data from a storage device to memory b. Copy data from a storage device to memory c. Move data from memory to a storage device d. Copy data from... Unlike when you print a report or display information on a screen, when a programs output is a data file, you do not _________. a. Include explanations or formatting such as dollar signs b. Open or... When you close a file, it __________. a. Becomes associated with an internal identifier b. Cannot be reopened c. Is no longer available to the program d. Ceases to exist A file in which records are stored one after another in order based on the contents of a field is a(n) __________ file. a. Temporal b. Alphabetical c. Random d. Sequential When you combine two or more sorted files while maintaining their sequential order based on a field, you are __________ the files. a. Tracking b. Collating c. Merging d. Absorbing A control break occurs when a program _____________. a. Pauses to perform special processing based on the value of a field b. Ends prematurely, before all records have been processed c. Takes one of... A control break field __________. a. Always is output prior to any group of records on a control break report b. Always is output after any group of records on a control break report c. Never is... Whenever a control break occurs during record processing in any control break program, you must _________. a. Declare a control break field b. Set the control break field to 0 c. Update the value in... When you merge records from two or more sequential files, the usual case is that the records in the files _______. a. Contain the same data b. Have the same format c. Are identical in number d. Are... A file that holds more permanent data than a transaction file is a _________file. a. Master b. Primary c. Key d. Mega- A transaction file is often used to ____________ another file. a. Augment b. Remove c. Verify d. Update The saved version of a file that does not contain the most recently applied transactions is known as a ____________ file. a. Master b. Child c. Parent d. Relative Which of the following is an example of a control break report? a. A list of all customers of a business in zip code order, with a count of the number of customers who reside in each zip code b. A... Random access files are used most frequently in all of the following except _______________. a. Interactive programs b. Batch processing c. Real-time applications d. Programs requiring direct access Assume that you are writing a program to merge two files named FallStudents and SpringStudents. Each file contains a list of students enrolled in a programming logic course during the semester... Student records stored in alphabetical order by last name have been sorted in _____ order. a. Descending b. Ascending c. Staggered d. Recursive The International Rock Paper Scissors Society holds regional and national championships. Each region holds a semifinal competition in which contestants play 500 games of Rock Paper Scissors. The top... When computers sort data, they always _____. a. Place items in ascending order b. Use a bubble sort c. Use numeric values when making comparisons d. Begin the process by locating the position of the... Which type of sort compares list items in pairs, swapping any two adjacent values that are out of order? a. Insertion sort b. Indexed sort c. Bubble sort d. Selection sort To sort a list of 15 values using a bubble sort, the greatest number of times you would have to pass through the list making comparisons is _____. a. 15 b. 14 c. 13 d. 12 To completely sort a list of 10 values using a bubble sort, the greatest possible number of required pair comparisons is _____. a. 9 b. 10 c. 81 d. 100 When you do not know how many items need to be sorted in a program, you can create an array that has _____. a. Variable-sized elements b. At least as many elements as the number you predict you will... In a bubble sort, on each pass through the list that must be sorted, you can stop making pair comparisons _____. a. One comparison sooner b. Two comparisons sooner c. One comparison later d. Two... When performing a bubble sort on a list of 10 values, you can stop making passes through the list of values as soon as _____ on a single pass through the list. a. No swaps are made b. Exactly one... The bubble sort is _____. a. The most efficient sort b. A relatively fast sort compared to others c. A relatively easy sort to understand d. All of the above Data stored in a table that can be accessed using row and column numbers is stored as a _____ array. a. Single-dimensional b. Two-dimensional c. Three-dimensional d. Nondimensional
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