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Databases Questions and Answers October 04, 2020

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Consider the class shown in the below Figure 4 and complete the missing code in the below class called MockTest.java. Instantiate the course object, set the values as Course (ITSW3101, Application Software Development, 3 and FALL20) and save the object to the database. Use the persistence unit name as FL20_PU: Figure 4 Solution: public class
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Proble following in terms of the size of the input. m 7.10. Give tight bounds for the best and worst case running times of (m) void foo3 (int n) // Tricky one int foo 0; for (int i 1; sqrt (i) n; i++) for(int j 1 ; j (# i; J ++) doIt (j) // takes j steps
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What are the two main reasons for driver turnover? The Interstate Commerce Commission LTL . versus TL . Driver shortage and job - hop Poor roads and job - hop
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Given an mxn matrix in which every element is a positive integer, you need to select a subset of the elements in the matrix so that these selected elements are not adjacent. We define that element (i,j) is adjacent to elements (i, j1) and (i 1,j) but is not adjacent to elements (i +1, j 1). Design an efficient algorithm that maximizes the sum of
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Java exercise 20.21
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What can developers do to incorporate ethical considerations into their work?

Is there an indian emoji

USING JAVA, thank you. There should be 4 classes in total and be named as the following. (MyArrayList.java) , (MyLinkedList.java) , (MyList.java) & (TestMyList.java) 1) Implement MyArrayList and MyLinkedList using MyList interface and MyAbstractList as defined in Java Collection Framework. 2) For the following problem use your own created

Write the python code to get the answer of following tasks. Need to use for/while loop to get the results Data: some grading score data of one of the CSCE courses. (2Grades.csv) The first line shows the attributes. Each line shows one students scores. The attributes might be lab, Test 1, homework, lab report 6. What is average score of the
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hello , how i mul tow numbers in assembly language without using mul function . thank

Apartment Builder Background When a class has lots of constructor parameters, we sometimes chose to use a builder pattern to construct the class instead. This provides a clean interface for construction that can reduce cognitive load on the calling code. The general structure of this pattern is shown below.

Question 1 0 2 . 5 pts Energy security has 3 basic dimensions. Energy security as a system means protecting the assets, infrastructure, supply chains and trade routes, and making provisions for quick replacements and substitution when need to be policies and business climate that promote irvestment and development and innovation to ensure that
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Please help in Java. I'm trying to code a censor code which should follow all the rules given below after the user inputs his passage to be censored. Please help and I will rate good for sure. I'm failing again and again to meet all the rquirments. I hope you will help. RULES: - Words may be censored with X's if they are surrounded by whitespace

Which of the following would be treated as an external inquiry / external output from a function point sizing perspective? Select one of more: a . View - of savings account data aggregated by account holder type information b . Lookup of language code information that is maintained by the application c . Notification message that comes along with
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Coding must be done in the Lisp Language! 2. Define a recursive function in the manner (defun permute (input-list) .. .) which outputs a list of all permutations of a (short!) 'input-list without duplications. If 'input-list' is not a proper list, return it unchanged. IF THERE ARE MORE THAN 5 ELEMENTS IN THE INPUT -LIST PRINT OUT AN ERROR MESSAGE,
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programming language is java Homework: Array Sum (Two Dimensional) Declare and implement a function called arraySum that receives a two-dimensional array of double values as its only parameter and returns the sum of the values in the array as a double. If the array is null you should return O. None of the inner arrays will be null. A You have
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Problem 1 : Write a java program that defines the Circle class and uses it to create objects. The program constructs three circle objects with radius 5, 30 , and 150 and displays the radius and area of each of the three circles. It then changes the radius of the second object to 300 and displays its new radius and area Filename: RadiusCircle1
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In a CMMI annual audit, which of these software processes are likely to be audited? Requirements Development / Management Estimation Software Design All of the above
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Lab Handout: SQLI Albums Album ID INT(11) AbumTiteVAOAR(30) | Album Year INT (11) BandID INT( 11) Album Number INT(1) AlbumSongs SongID INT(11) Album ID INT(11) OTrackumbe, INT(11) Songs SongID INT(11) SongTitle VAROAR(50) Tracklength INTC11) Musicians Bands MusicianID INT(11) Musio anID INT(11) BandID INT(11) MusaanFirstName vCHAR(20)
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Using a table similar to that shown in Figure 3.10 page 192, calculate 1001010 divided by 1 0101 using the hardware described in Figure 3.8 page 190. You should show the contents of each register on each step. Assume both inputs are signed 8-bits Iter Quot Divisor Remainder 0 1 Step Initial values Rem = Rem - Div Rem = 0 + shift 1 into Q Shift Div
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Need some help with C++ homework. CSCI 201 - Computer Science 1 Homework 05 Using Parallel Arrays Parallel arrays consist of two or more arrays with the same number of elements, in which the corresponding elements in each of the arrays contain values that are related. The arrays do not have to be of the same data type nor do they have to be of the
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Need an answer ASAP please! This is in C language. You don't need to write the pseudocode, just the program. Write pseudocode and translate it to C-program for the following problem. Ask users to input a series of integers which are in increasing order (i.e., an integer is NOT smaller than the one immediately before it). The input will end with
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Science an INTRODUCTION In this assignment you will implement class Printer, which represents a real-ife computer printer Your class Printer the following attributes (membervariables) Tpe: Dor Matri. Ink Jet, or Laser (enam data type ON or OFF Boolean value) Printer Capacity: the mavimum number of pages that can be loaded into a printer (integer)
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6. (6 points) Complete both questions below. a. Create short names for the terms below based on the naming conventions rules. Authors Publishers Customers b. Review the following ERD and show a pair of tables with two records of sample data for the following online bookstore scenario. AUTHOR BOOK writes Written by ANSWER: a. Create short names for
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The file weekly - data.txt contains a list of daily income from completed paint jobs over a 1 week ( 7 day ) period. Each line contains the total income amount for a single day. Use a FOR loop to read the 7 lines from the file and include the necessary processing to calculate the total income, the average income, and the number of days with no
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Please help me with this Question Tasks and Deliverables 1. Complete requested data for each scheduling algorithm. 1. Consider the arrival and burst time of five jobs specified in the table below. a. Apply the Round Robin operating system scheduling algorithm. b. Time quantum of the system is 5 units. c. Generate a table to identify the process
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Which of the following is an example of a Trojan horse program? a . MyDoom b . Happy 9 9 . exe c . Netsky d . Klez

1. Find the inverse of the following matrices: (a) The Hadamard matrix (b) The Pauli matrices X, Y and Z 2. Consider the matrix M = 1+i 1-i Find the value of a such that U = 2M is a 1-i 1+i unitary matrix. Describe the action of this gate on a qubit. 1. Find the inverse of the following matrices: (a) The Hadamard matrix (b) The Pauli matrices X, Y
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4. Find the solution to the following recurrence relation with the given initial con- dition. Use an iterative approach. an = an-1-n, ao = 4
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business objective : Sell me this pen 1. Add the price for the pen $1 2. From question1 take price of pen and evaluate the price for shipping 1 tons of pens, in one pack of pen has 12 different pens . 500 pack of pens are stacked into 20 kg of box . weight of each inked pen is 17gm but the solution to his problem is not the final answer, procedure

how can i reshape the above data into the following image using melt() function in R: output: Please include the code and the output. thanks player track walking cycling 43 31 41 53 41 30 25 46 48 408 402 386 373 404 422 403 393 422 1 A 2 A 3 A
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Different level of abstractions are involved in the design of digital systems. The followings are the different abstraction levels: (1) circuit design; (2) Functional design; (3) Physical design; (4) Register Transfer Level Design; (5) Requirements; (6) Logic design. Which one of the following orders shows the correct abstraction heirarchy? A.

Question No.5: Analyze the following dataset of Infection forecast to classify the patient to Infected or not. Use ID3 algorithm or Identification tree and Calculate Entropy and Information Gain of each attribute to identify root node of the decision tree and its branches. +-- | ID | Fever | Cough Breathing issues | Infected | | 1 | NO NO | NO NO
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Draw an ERD for the following situation (Batra et al., 1988). Also, develop the list of words for qualifiers and classes that you use to form attribute names. Explain why you chose the words on your list. Also, draw a data model for this situation using the tool you have been told to use in your course. Projects, Inc., is an engineering firm with

In C++ Two files needed Coding exercise 2 In a file called palindrome.txt, write the pseudocode to recursively check if a string is a palindrome or not. A palindrome is a string that reads the same backwards and forwards. E.g., racecar. In your implementation, you may assume that there are no spaces in the input string Once you have the
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pls help Which one of the following is the correct function header for the following description: Function foo that receives String s1 as a parameter and prints s 1 to the console" void foo 0 O void foo (String s1) ? String foo(String s1)
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Q 2 . ( a ) Formally define what is meant by a ( symmetric ) cryptosystem. [ 5 marks ] ( b ) Briefly describe what a perfectly secure ( symmetric ) cryptosystem is . Do perfectly secure cryptosystems exist? [ 5 marks ] ( c ) State and prove Shannon's Theorem. [ 1 5 marks ]
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Convert to MIPS instructions the following expression a = b * 17; The address of a is stored in $s0, the address of b is stored in $s1. - both a and b are int . - the only arithmetic operations you can use are additions (no multiplications) - your answer should have not more than 12 instructions. - ignore the possibility of overflow Hint: you can

When an object is falling because of gravity, the following formula can be used to determine the distance the object falls in a specific time period: d = 1/2gt 2 The variables in the formula are as follows: d is the distance in meters, g is 9.8, and t is the amount of time, in seconds, that the object has been falling. Write a function named

Purpose You are to create a Junit 5 test in advance of lab 3. This Junit class will test the functionality of java.util.Queue (initialized by java.util.LinkedList). In next lab you will create a Queue which implements java.util.Queue. In this lab you will test the edge, normal and error cases of each public method in LinkedListQueue (only methods
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QUESTION 1 QUICKLY PLEASSSSE An engineer wants to design a logic circuit for a security system that only grants access under specific conditions. The system requires a key card to be swiped ( A ) , a numerical code to be entered correctly ( B ) , a retinal scan to be passed ( C ) , and a voice command to be recognized ( D ) . The engineer has
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please show me the steps : You are to determine the smallest clock maximum frequency and minimum period which this state machine may operate at without violating the timing specifications. You MUST show your work! Minimum clock period Maximum clock frequency The state machine above is a mealy, moore or neither sequential circuit (circle one). You
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In the mosaic program of San Vitale, how is the importance of Bishop Maximianus signaled By a naming inscription By the hand of God By his magnificent crown By the other figures
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Write a C++ program to manage a Car Dealership System. The main user is an employee at the dealership Please include all the header files and the cpp files There should be a design menu like the following: 1. Search Inventory 2. Sell/Lease cars 3. Return a leased car 4. Add cars to inventory 5. Exit The program should include the following: 1.The

Please implement using the java code below: import java.io.*; import java.util.*; public class Lab2 { /** * Problem: Use D&C to find the largest rectangular area in a histogram in O(n log n) time. */ private static int problem(int[] histogram) { // Implement me! return -1; } Problem You are given an integer array A of size n; all numbers in A are
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True or False? Q-13a: Formatted file 1/0 views data as human-readable ASCII text and treats whitespace characters as the separation between character strings and numbers
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I need help with this in JAVA. Introduction: This week you'll be writing a system to help the Department of Motor Vehicles (DMV) to organize people coming into the service center for various appointments. Like many businesses, people go to the DMV office for many different reasons: - Some people are there because they are getting their first
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Review the following table for the risks, threats, and vulnerabilities found in a health care IT infrastructure servicing patients with life-threatening conditions: 6. Risks, Threats, and Vulnerabilities Primary Domain Risk Impact Factor Unauthorized access from public Internet User destroys data in application and deletes all files Hacker
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When accessing an element of an array, operations ( calculations ) are not allowed inside the brackets of an array. Group of answer choices True. False.

According to _ _ _ _ we should adopt a set of rules and then violate them only in the case where compelling evidence indicates that utility is increased by such a violation. Group of answer choices Rule Utilitarianism Happiness Theory Act Utilitarianism Social Contract Theory

I need just an example for this web research Web Research Option One R0 In this research exercise, you will search for web hosting providers and report on three that medet the following criteria: Support PHP and MySOL Provide at least 1GB disk space > Offer e-commerce capabilities Use your favorite search engine to find web hosting providers or
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(10pts) Given a DFA, M, with alphabet, , and a string s = 818283... $100 that is in L(M). Prove that if the number of states in M is 10, then there must be a substring between $45 and 865 that can be repeated an arbitrary number of times and the so modified string will still be in L(M)
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[ 5 ] Give a command that refines m . This will be the initialization command ( s ) that will run before the while loop begins. Note that the specification of m requires that the invariant I hold after it is run.m L ( c ) [ 5 ] Give a guard expression g for the while loop such thatIA - GWe 4 0 . 2 3 0 6 = 5 0 . 0 6 > = 0 is valid, i . e . , so

Question from Operating System : What are the advantages of Linked allocations of files over contiguous allocation? What are the advantages of contiguous allocation of files over linked allocation?

Create a program that asks the user for two real numbers, a and b . Then present a choice of the f basic arithmetic operators from a menu, addition, subtraction, multiplication, and division. Prompt the use to enter in a choice. If they select an invalid choice, tell them they selected an inva choice and exit the program. Additionally if they
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I have the code below to create a biilingual dictionary using C code but cannot get the output I need. There is a screen shot of the output that is needed on the bottom. Can you fix the error/s if any? #include #include #include typedef struct { char dname[15]; char dwrd[15]; char cnvrt[15]; } dict; void edit_dict (dict di) /* edit dictionary
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Develop a design that leads to an algorithm and a program that will read in a number that represents the number of kilometers traveled. The output will convert this number to miles. In C + +

Assume that you tried to store the signed integer value - 2 0 0 using an 8 - bit sign / magnitude representation. What happened? What type of error does this represent?
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Assignment Search Algorithms Dataset: We will use cars dataset as part of this project. The dataset is available as part of the assignment (cars.csv and a pdf that describe each of the fields for each record). TASK 1 The idea of this project is to create a text-based application with the following options: List all cars. This option will read from

Web Programming Programming Assignment Markup Table Patterns Review the W3 Schools Website (http://www.w3schools.com/html/html_tables.asp) and review the information about the following HTML tags: Once you have seen how these tags work in conjunction with one another, explore CSS and the various ways attributes can be manipulated to change the

Data communication and computer networks Please I NEED ACCURATE solution for this question I will upvote for you Please very fast Question 7 Not yet answered Marked out of 2.00 P Flag question As a Network Engineer, assume that you are given 9 input lines that carry digital inputs, and the rates of these 9 lines are as follows 5 lines with a data
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TradRetail Inc. Profile A fictitious retail company is used in the case study to trace the impact virtualization had on organizations as virtualization emerged and then matured to the point where almost all IT infrastructure is now virtualized to some degree. The fictitious company is introduced through a brief business profile as well as a

What is the difference between Parzen windows and Density Estimation method .Please explain in easy words with diagrams. Also tell how to derive the conditions for convergence of mean and convergence of variance for Parzen Windows in Pattern Recognition Subject.

This is in java and please show all the work. it would be helpful, if you could put the steps number as comment. Directed Lab Work Implementing the Event Queue All but two of the classes needed in todays lab exist. The first class that will be created is the SimulationEventQueue. Step 1. In the QueuePackage, create a new class named

Can you used a cell phone while operating a school bus

Administrator's have many options available that can be defined for a particular object. Which is the following is not an attribute that can be configured with user objects?
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Develop a first version of a project scope statement for t he project. Use the template provided on Blackboard and in the example in Chapter 3 as guides. Be as specific as possible in describing product characteristics and requirements, as well as all of the project deliverables. Be sure to include testing and training as part of the project

Please fix the problem for this file, const getJSONString = function(obj) { return JSON.stringify(obj, null, 2); } const port = 3000, http = require("http"), httpStatus = require("http-status-codes"), app = http.createServer(); app.on("request", (req, res) => { if(req.url=="/form.html") //DISPLAY FORM { var output= ` EXAM5 Makeup form{color:navy;}
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What is a common disadvantage of Decision Trees? ( choose all that apply ) They can create over - complex trees that do not generalize well. They are too complex to interpret They cannot handle categorical data. They cannot handle numerical data. They require extensive data preprocessing. They are too simple to understand.

1 0 . 4 LAB: Array of squares - LDUR / STUR Given an array of four integers, write a program that populates a new array with the square of the elements in the given array. Assume X 1 9 stores the memory location of the first element of the given array, and X 2 0 stores the memory location of the first element of the new array. Hint: Each memory

Please answer using ML, thank you in advance for the help! 14. Write a function count_occurrences of type string list -> exn -> (string * int) list. If the string list argument is sorted (using OCaml's built-in comparison operator, (json list) -> string list (the parentheses in this type are optional, so the REPL won't print them). For any object
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What is the output of the following code? s = "This is a string.".split ( " s " ) print ( s ) [ ' This ' , ' is ' , ' a s ' , 'tring. ' ] Error [ ' Thi ' , ' i ' , ' a ' , 'tring. ' ] [ ' Thi ' , ' s i ' , ' s a ' , 'string. ' ] Question 2 What does the join method do ? It concatenates lists together. It merges lists into nested lists. It converts
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C++ Programming This is the content of pb_2014.txt 01/01/14 15 24 40 48 52 23 x PP 01/04/14 19 20 37 41 58 14 x PP 01/08/14 10 28 39 47 58 22 x PP 01/11/14 10 15 33 48 54 34 x PP 01/15/14 07 08 09 24 29 25 x PP 01/18/14 13 14 19 31 38 25 x PP 01/22/14 01 02 07 09 55 29 x 03 01/25/14 08 12 18 55 57 02 x 02 01/29/14 11 23 28 32 47 20 x 02 02/01/14
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Question 4 9 1 pts Treequote Industries has produced a new technology that will monitor the soil moisture in a user's garden and send a notification to an app on the user's phone when it is time to water their plants. The goal of this inexpensive technology is to entice users to purchase Treequote's more expensive automated watering system, so
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Why should you always enclose your `grep` search pattern in single quotes? (e.g. `grep -v '\?*' file` as opposed to `grep -v \?* file`) They are required by `grep`. Some shell metacharacters are also regular expression characters, so `grep` could get confused when interpreting the command string. Quoting them makes `grep` ignore them and pass the

Web - enabled hospitality applications are not yet available. Group of answer choices True False

3. (20 points) Apply the bottom-up dynamic programming algorithm to the following instance of the knapsack problem for a knapsack of capacity W = 7: item value 1 2 30 30 25 4 4 50
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Q 3 : The following VHDL codes realize the Boolean equation " F = x and Y " in three different ways. They were labeled F 1 , F 2 , and F 3 . Explain the differences between these three descriptions / circuits . library IEEE; use IEEE.std _ logic _ 1 1 6 4 . all; entity hw 3 is port ( clock, reset: in std _ logic; x , Y : in std _ logic; F 1 , F 2
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needed ASAP Any language is okay please ASAP Bessie is on vacation! Due to some recent technological advances, Bessie will travel via technologically sophisticated flights, which can even time travel. Furthermore, there are no issues if two "parallel" versions of Bessie ever meet. In the country there are N airports numbered 1,2,,N1,2,, and M

Given the file messages(1).dat ( https://drive.google.com/file/d/1V4uRvNoqwsxpVKAlvdvIlX-3XqxFMXHn/view) that consists of four columns: message number | payload bits | jitter | deadline/period Using the MATLAB 'load' command, this file can be turned into a MATLAB matrix whose columns correspond to the file columns. Perform the following tasks: 1.

Car tail lights design Figure 1 below shows the tail lights of a car. There are 3 lights on each side and they operate in sequence to show the turning direction and emergency as shown in Figure 2 Figure 1: car tail lights 1.3 L2 L1 R1 R2 R3 L3 L2 Ll R1 R2 R3 L3L2LI R1 R2 R3 (c) Emergency (a) left turn; (b) right turn Car tail lights design Figure
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Do within Matlab code: The vertices are: A ( 2 . 8 8 , 5 ) B ( - 2 . 8 8 , 5 ) C ( - 5 . 7 7 , 0 ) D ( - 2 . 8 8 , - 5 ) E ( 2 . 8 8 , - 5 ) F ( 5 . 7 7 , 0 ) ( a ) Create a Half - Edge table for the edges a , b , c , d , e and f . ( b ) Create a Winged - Edge table for the edges a , b , c , d , e and f .
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In C++, we will be working with Table Abstractions. A Table ADT allows us to search on the value of the data without requiring a particular location to be known. It allows us to store the data using non-linear techniques. A hash table comes to mind as a good alternative for programs that require working by value but that dont require that the data

Courses 2 - 2 Assignment HR Ethic Seri | M Southem New Hampshire U est _ q . php ? tid = 1 3 2 0 2 8 pos = 5 8
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Write a C++ program to read in various types of test questions (multiple choice and True/False) from a test bank (text file), The test bank (text file) will have the following format: Line 1 will be an integer value, indicating how many questions in the file Each question will start with a line that starts with either "MC" or "TF" followed by a

Solve in C++ 1.Circular steel bars (rods) are used in building construction work and civil engineering like formation of dam, culver, bridge formation, etc. These rods are easy to bend, provide strong mechanical interlock with the concrete and prevent stress concentrations under normal loads. Write a class names SteelRod. The header file of the

Draw an entity-relationship diagram for the following case. Use WorkBench or hand draw your diagram. You would need to make reasonable assumptions. You would need to identify and include all of the following: 1. Entities, including any supertype and subtype entities 2. Attributes 3. Resolve all potential composite attributes, such as name or
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Create a Pushdown Automota for the Language A B = {xy| x A and y B and |x| = |y|}

The organization maintains a redundant path to the Internet consisting of two different cables, in different trenches ( a microwave or other form of wireless connection is also acceptable ) , provided by two different Internet providers.

True or False: Two Javascript scripts embedded in pages running in two different tabs on a users browser can never access the resources of each other. Please explain why.

Create a GUI in Java that makes the following: There should be at least a composite layout, and two customized JPanels. The minimum required elements of the GUI are: (1) A large panel on which a custom image is painted. This doesnt have to be very complicated but should involve more than one shape and more than one color. (2) A button that
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Consider a bitmap image with the following specifications and assumptions: Width 1600 Height 1200 pixels Color palette: 24-bit RGB A file header of 54 bytes. a) Compute the size of the image in MB (Mega Bytes) up to 2 decimal places. b) If the image data is saved in an image format that compresses it by 80%, but adds a header of 200 1. bytes, what
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Your program must be called my_harter_heighway.py. (3 pts) Your program must define a class called vertex that represents a point in 2D space as an object with the following specifications: (a) (1 pt) Your class must have instance attributes x and y that hold the x and y coordinates of a point, respectively. The __init__() constructor must accept
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Case Study: Mobile banking has converted the smartphones to handy banks that does not require the customers to move from one place to another in search of banks, ATM s or even desktop PC s to access mobile banking services. The demand from the customers have forced the banking sector to incorporate digitization in the banking sector and with the

What software factors might be considered when choosing a computing platform? ( 5 )
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Python 3 please Exercise 1. Caesar's Ciphers I Write a function encodeCipher(word, num) that takes in a lower case string and a number and creates a new lower case string where each character is offset by that number. In other words, the original letters are mapped to the shifted letters. For example, encodeCipher("abc", 2) would map a to c, b to
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A proposition is generally defined as the smallest unit of knowledge that is stored. the smallest unit of knowledge that can be true or false. the organizational structure of semantic knowledge in memory. a node in a knowledge network.
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is a data model in which there is no notion of any schema external to the data. Question 1 9 options: 1 ) NoSQL 2 ) XML 3 ) JSON 4 ) BSON

EACH COMMAND REQUIRES IT'S OWN FUNCTION Program creating book-store database. Each command requires separate function. struct Book string ISBN; string title; int quantity; int edition; double price; Program needs to read and process a transaction file "storeTrans.txt". This file contains several commands such as: display, add, searchBook, delete,
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Rewrite the gcd function that uses Euclids algorithm so that it computes the greatest common divisor recursively using the following rules: If y is zero, then x is the greatest common divisor. Otherwise, the greatest common divisor of x and y is always equal to the greatest common divisor of y and the remainder of x divided by y. Use one page for

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